LOW STOCK! Limited quantities of Renew are available, get yours today before it goes on back order!

INDEPENDENT BRAND PARTNER

Kathy Kohlman Buell

Referred By

Kathy Kohlman Buell

Kathy Kohlman Buell

Kathy Kohlman Buell

Your Wellness Partner

Questions?

Call or text me: 912-551-5858

Discover How This One Nighttime Habit Can Help…

Increase Energy and Libido, Reduce Aches and Pains, Improve Sleep, Boost Metabolism And Feel Younger!

Look and feel like your younger self again.

Renew is a patent-pending, anti-aging supplement that helps trigger your body's natural growth hormone (HGH) production and release. HGH helps:

Renew package

  • Boost energy & stamina

  • Reduce body fat

  • Improve quality of sleep

  • Physical recovery & resilience

  • Enhance libido & sexual function

🔒 100% Satisfaction, 30-Day Money Back Guarantee

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"Renew has made me feel younger. I’m moving better, I’m sleeping better and I wake up refreshed. I love how I feel."

- Ann, 70, Salt Lake City, UT

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People of all ages LOVE Renew!

Now with 13,700 fans on Facebook

The Problem: Age Goes Up⤴, HGH Goes Down⤵

Human Growth Hormone (HGH), known as "the master hormone", is produced by the pituitary gland in the brain. It is responsible for youth, vitality, energy, and many of the health benefits associated with optimal health.

Near the age of 21, our bodies begin to produce less of it. By the time we are 40, nearly everyone is deficient in growth hormone. And by age 80, our production has usually diminished at least 90-95%.

Our HGH levels start to decline in our 30s and decrease 15% for every decade of life, causing:

  • Lower energy levels

  • Weight gain

  • Wrinkles & dull skin

  • Thinning hair

  • Frequent aches + pains

  • Trouble sleeping

  • Low libido, etc.

HGH Levels with Age

But Anti-Aging Science has come a long way...

Documented Health Boosting Benefits of HGH Production in the Body

Over 28,000 clinical studies spanning a 35-year period show that HGH can:

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Improve Cell Regeneration

The key to staying youthful is how readily the body restores and rebuilds damaged or dying cells. HGH stimulates repair and rejuvenation of new tissue throughout the body.

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Boost Energy + Stamina

HGH can have a huge impact on energy levels -- physical, emotional, mental, and creative. Often described as ‘consistent’ or ‘sustained’ energy throughout the day.

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Improve Sleep

HGH helps balance sleep, so you feel more rested in the morning. Many report for the first time in years they are able to sleep the entire night. Others find they need less sleep, yet have more energy.

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Enhance Libido + Sexual Function

HGH restores sexual potency and sexuality in older men. Women report increased libido too, with improvement in menstrual and post-menopausal symptoms.

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Reduce Body Fat

HGH revs up the metabolism to former highs of our youth, selectively reducing fat in the abdomen, hips, waist and thighs while at the same time increasing lean muscle mass.

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Increase Skin Elasticity

The skin regains thickness and youthful contours as it becomes more elastic and hydrated and people start looking visibly younger, usually within a few weeks.

*And much more... HGH can also strengthen bones, thicken hair, re-color the gray, improve vision, lower cholesterol and blood pressure, rejuvenate the immune system, improve digestion, increase oxygen uptake, reverse shrinking of major organs, quicken healing of wounds, and more.

It all sounds great, except for one thing...

But traditional HGH therapy comes at a high cost...

Most anti-aging doctors start by putting their patients on HGH to build it up. But unfortunately, they use synthetic HGH by injection because you can't take it orally (stomach acid destroys it).

HGH injections cost thousands of dollars monthly and carry significant risks because they're synthetic. Side effects:

  • Muscle and joint pain

  • Headaches

  • Tumors and cancer

  • Hormonal imbalance

  • Increased risk of diabetes

What if there was a better way?

What if, instead of adding synthetic Growth Hormone to the body, we could help stimulate your body's natural chemistry to create its own HGH

Naturally, not synthetically. Just like when we were young. That would change everything!

So we went to work, asking one question...

Why does HGH decline?

Our research team went deep into the medical literature about how HGH is produced and why it starts to decline as we age.

HGH is produced by the pituitary gland (1) found at the base of your brain. The hypothalamus (2) tells it when to make it and when to release it into the bloodstream.

But something interrupts this process. We discovered 4 major pathways in the body by which HGH declines as you age.

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HGH Inhibitor #1

The first is an enzyme that disrupts HGH release by scrambling signals in the brain, called DPP-4.

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HGH Inhibitor #2

The second is a hormone called Somatostatin, which inhibits the release of HGH by suppressing the pituitary gland.

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Lack of Proper Nutrition

The body requires bioavailable nutrition for natural HGH production and cellular health and viability.

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Lack of Quality Sleep

Natural HGH production also depends on quality sleep, which is critical for rejuvenation and restoration.

Our big idea was this... if we could neutralize (or suppress) these two "inhibitors" and simultaneously support your body's own ability to produce HGH, perhaps it could possible to turn back the clock, like when we were young.

Introducing RENEW: An Anti-Aging Breakthrough

Renew is the only supplement on the market that addresses the multiple specific pathways by which HGH declines as you age, both increasing HGH production while suppressing the signals that inhibit its release.

Just mix it in a small glass of water and drink, 30 minutes before bed. Easy.

Say hello to looking and feeling younger, more energy, better sleep and more!

Over 50,000 People Are

Loving Their Night Time Routine with Renew!

These people are feeling younger by the day…. (and you can, too!)

Renew has made me feel younger. I’m moving better, I’m sleeping better and I wake up refreshed. I love how I feel.

Ann | Salt Lake City, UT

I wake up ready to go, and I don’t get worn out as easily as before. The longer I use it, the better I feel. I notice new benefits all the time. This is a keeper.

Jamie | Durango, CO

I’ve been taking Renew for 60 days. It’s made me feel awesome. Great sleep, and great in the bedroom. The main improvement I’ve seen is my mental clarity!

Melissa | Gulfport, MS

Renew has changed my life by giving me more energy throughout the day. It’s also given me more clarity and the ability to focus.

Lucy | Ione, CA

I love to run, and with Renew I’ve noticed my stamina has increased. My heart rate comes back down more quickly and I’m able to go further, longer with less effort.

Robin | CO Springs, CO

One nightly habit.

Results you can feel.

1 Single Packet Of Renew™ Contains:

  • Signal Booster Blend
    Five potent botanicals — including the Tahitian superfruit noni, green tea, turmeric, blueberry and grape seed — help inhibit DPP4, the enzyme that disrupts HGH release, by 99.9%*.

  • Amino Booster Blend
    A powerful combination of amino acids that’s scientifically tested to suppress somatostatin, a hormone which inhibits the release of HGH.

  • Restorative Booster Blend
    GABA (Gamma-Aminobutyric Acid), Lutein and Zeaxanthin Isomers support quality sleep, critical for natural HGH production.

  • Vitamin + Mineral Cofactors
    A comprehensive blend of vitamins and minerals provides nutritional support for HGH production, cellular health and viability.

Only 13 Calories, Zero Added Sugar

No Artificial Flavors or Colors

Convenient Single Packets

🔒 100% Satisfaction, 30-Day Money Back Guarantee

Renew is Made with

Clean Ingredients You Can Trust

Gluten Free

Soy Free

100% Vegan

Non-GMO

NO ADDED SUGAR

No Artificial Flavors or Colors

We believe that trust is met through transparency. From our careful ingredient selection to our thorough testing, we ensure every Nutrifii™ product is of the highest quality, exceeds the most scrupulous tests.

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Gluten Free

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Soy Free

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100% Vegan

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Non-GMO

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No Added Sugar

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No Artificial Flavors or Colors

🔒 100% Satisfaction, 30-Day Money Back Guarantee

What's Inside Renew?

21 Natural Ingredients that support growth hormone release to help you look and feel like your younger self!

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Tahitian Noni Superfruit

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🔒 100% Satisfaction, 30-Day Money Back Guarantee

"No other product on the market helps to simultaneously address the multiple pathways by which Human Growth Hormone declines in the body."

Dr. Ray Strand, MD

Nutritional Medicine Specialist & Author

Chief Medical Officer

Want a second opinion?

Below are reviews from real Renew customers of all ages, who are feeling younger by the day. Click to hear their stories.

Cindy Landis,

age 53, North Carolina

Dapo Odusanya

Tennessee

Melissa & Andrew

Jackson, ages 52 & 56,

Mississippi

Esther Hardy

age 42, Utah

Greg Tedrow

age 48, Utah

Juanita Murphy-Johnson,

age 71, Illinois

James Zheng

age 33, California

Rebecca Gurski

age 61, Michigan

Stephane Page

age 49, Canada

🔒 100% Satisfaction, 30-Day Money Back Guarantee

How Does Renew Work?

Rip. Sip. Kick Butt.

🔒 100% Satisfaction, 30-Day Money Back Guarantee

How Does Renew Compare
Against Other HGH Options?

Take a Look for Yourself...

Renew

  • Helps trigger your body's natural HGH production and release

  • Inhibits DPP4, the enzyme that reduces the release of your body's natural HGH by 99.9% in in vitro studies.

  • Scientifically tested to suppress somatostatin, a hormone that inhibits the release of HGH

  • Supports quality sleep for restoration and rejuvenation

  • Extra nutritional support for cellular health and viability

  • All natural botanicals, superfoods, amino acids, vitamins/minerals and cofactors that work synergistically to support HGH

  • Contains NO hormones

  • NO side effects

  • Patent-Pending Science

  • Feel a difference within days

  • Costs 95% less... as low as $3.53 a day

  • 100% Satisfaction

  • 30-day money back guarantee

  • Reach your peak potential

Other HGH Options

  • Artificially injects synthetic HGH, but doesn’t stop the body's inevitable decline of HGH

  • Doesn’t help you naturally produce HGH on your own

  • Contains synthetic hormones made in a lab

  • Potential negative side effects, such as muscle and joint pain, headaches, tumors and cancer, hormonal imbalance, and increased risk of diabetes

  • Costs thousands of dollars monthly.

🔒 100% Satisfaction, 30-Day Money Back Guarantee

Look and Feel Like Your Younger Self

Take this powerful supplement nightly to boost energy and stamina, reduce body fat and improve the appearance of fine lines and wrinkles — because life has #NoAgeLimit.

  • Enjoy more natural energy without caffeine or added sugars

  • Get deeper sleep and wake up early, feeling refreshed and ready to go

  • 4 HGH booster blends with potent botanicals, Tahitian Noni and all the vitamin & mineral cofactors you need to feel amazing

  • ​Only 13 calories and zero sugars, making it great for keto, low carb, and intermittent fasting

  • ​Taste test us risk free! Every box of Renew comes with a 100% satisfaction, 30-day money back guarantee

Ready to Take the Renew Challenge?

Choose the Renew deal that's right for you and save today!

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Country:
US CA GB AU

28-Day Challenge

One Time Purchase

  • 1 month (28 servings) of Renew

  • Includes 28-day Renew Challenge Guide to track results

Now Only: $150 today

* plus shipping

BEST VALUE!

Monthly Subscription

Subscribe & Save 15% Off

  • 1 month (28 servings) of Renew

  • Guaranteed delivery every month, pause or cancel anytime

Retail: $150 Now Only: $128/mo

$128 every 30 days

+plus shipping. Cancel anytime.

5-Day Trial

One Time Purchase

  • 5 nights of Renew

  • Includes daily results tracker to track results

Retail: CA$50 Now Only: today

* plus shipping

5-Day Trial

One Time Purchase

  • 5 nights of Renew

  • Includes daily results tracker to track results

Retail: CA$50 Now Only: today

* plus shipping

28-Day Pack

One Time Purchase

  • 1 month (28 servings) of Renew

  • Includes 28-day Renew guide to track results

Now Only: CA$192 today

* plus shipping

BEST VALUE!

Monthly Subscription

Subscribe & Save 15% Off

  • 1 month (28 servings) of Renew

  • Guaranteed delivery every month, pause or cancel anytime

Retail: $192 Now Only: CA$164/mo

CA$164 every 30 days

+plus shipping. Cancel anytime.

5-Day Trial

One Time Purchase

  • 5 nights of Renew

  • Includes daily results tracker to track results

Retail: £45 Now Only: today

* plus shipping

28-Day Pack

One Time Purchase

  • 1 month (28 servings) of Renew

  • Includes 28-day Renew guide to track results

Now Only: £128.57 today

* plus shipping

BEST VALUE!

Monthly Subscription

Subscribe & Save 15% Off

  • 1 month (28 servings) of Renew

  • Guaranteed delivery every month, pause or cancel anytime

Retail: £128 Now Only: £109.29/mo

£109.29 today, then £109.29 every 30 days

+plus shipping. Cancel anytime.

5-Day Trial

One Time Purchase

  • 5 nights of Renew

  • Includes daily results tracker to track results

Retail: AUD$65 Now Only: today

* plus shipping

28-Day Pack

One Time Purchase

  • 1 month (28 servings) of Renew

  • Includes 28-day Renew guide to track results

Now Only: HK$1,214 today

* plus shipping

BEST VALUE!

Monthly Subscription

Subscribe & Save 15% Off

  • 1 month (28 servings) of Renew

  • Guaranteed delivery every month, pause or cancel anytime

Retail: HK$1,214 Now Only: HK$1,032/mo

HK$1,032 today, then HK$1,032 every 30 days

+plus shipping. Cancel anytime.

Guarantee symbol

Don't Worry.

You're 100% Covered.

We're so confident you'll love Renew™, we offer a 30-day 100% money back guarantee directly from the manufacturer.

We know we're the EASIEST and MOST COMPLETE supplement out there to trigger your own body's natural HGH production and release. But if you disagree and don't find wake up with more energy and vitality, with a more "youthful" outlook on life, then we'll make it right and refund your money, every penny, and won't hold it against you.

That's why we're letting you try us risk-free today and see for yourself!

We promise you've NEVER tried anything like this before. Just you wait... once you get a taste of waking up before your alarm clock, raring to go, and feeling (even looking) younger, you'll never want to go back.

But You Need to Hurry Because...

Time is of the Essence!

Renew™ has become so popular for its great results... and its ability to provide your body and mind with all of the raw ingredients to maximize HGH production...

That we are selling out FAST

So if you're here now and you're still wondering if this is the best decision... don't wait another second!

While we can guarantee our patent-pending, scientifically tested formula triggers your body's natural growth hormone production to help naturally slow the cellular aging process... we CANNOT guarantee that Renew™ will be available for much longer...

Remember, there is ZERO RISK to you when you place your order for Renew™ today. If you are not 100% satisfied, then we'll return your money. 

But you need to hurry if you want to try Renew™ while supplies last (and at this limited-time special offer)!

Hurry. Click the "buy now" button below now and secure your order of Renew™ before it's too late!

🔒 100% Satisfaction, 30-Day Money Back Guarantee

Over 50,000 People Are

Loving Their Night Time Routine with Renew!

These people are feeling younger by the day…. (and you can, too!)

Since taking Renew, I’m getting better sleep and feeling rested when I wake up. My recovery and performance have shown a huge improvement as well.

Kristen | Jackson, TN

The first night I didn’t notice a difference but the next couple of days, when it kicked in, I kicked in! Now, when I wake up in the morning, I am UP and out of that bed.

Sandy | Hot Springs, AR

The results have been absolutely amazing! I’m getting deep, quality sleep, and I wake up refreshed. I didn’t notice it right away, but in hindsight, I got better sleep the very first night.

Tracy | Eau Claire, WI

Renew has been a game-changer in how I feel as a person. It’s unbelievable the better sleep I have. If I miss it for a few days, I definitely notice the difference.

Shannon | St. Augustine, FL

I dream at night and I wake up feeling rested earlier than usual. I started feeling results within a week of taking Renew.

Jackie | Rhode Island

Frequently Asked Questions

What is Renew?

Renew, is an anti-aging supplement that helps trigger your body’s natural HGH production and regeneration process. Patent-pending and technologically advanced, Renew is the first anti-aging supplement on the market that addresses multiple specific pathways by which HGH declines as you age, boosting HGH production while suppressing the signals that inhibit its release.

Featuring four proprietary blends of uniquely powerful ingredients that work synergistically, Renew keeps you looking and feeling like your youthful self.

FAQ image

Which Renew package is right for me?

Many of our customers that experience the best results, including better sleep, more “up and at ‘em energy,” fewer age lines and wrinkles, more physical strength and resilience, and improved weight loss efforts, often secure the monthly subscription.‍

This allows enough time for the 4 HGH boosting blends to be absorbed more completely and become better acquainted with your unique health needs.‍

While a 30-day supply of Renew™ can still give you many of the benefits from the natural ingredients, it’s best to continue taking Renew™ on a regular basis for at least 3 months to experience everything these high-grade ingredients have to offer.‍

There’s no added risk to you by ordering more today. You are still covered by our 100%, 30-day money back guarantee.

That’s how confident we know you’ll see and feel positive results almost immediately.

What does Renew taste like?

Renew comes in Kiwi Berry" flavor that tastes a bit like pink lemonade. It is potent and has a tiny amount of stevia for taste, but is not overly sweet. The amino acids may give it a slightly bitter taste for some. If taste is an issue, we recommend mixing it in coconut water or adding a spritz of fresh lemon for a more refreshing flavor.

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What's inside Renew?

Renew comes as a powder that you mix into a little glass of water at night and drink about 30 minutes before bed.  It is gluten free, vegan, non-GMO, and it has no artificial colors or flavors.  The magic of renew comes in the synergy created by our four powerful blends:

Signal Booster Blend: Five potent botanicals — including the Tahitian superfruit noni, green tea, turmeric, blueberry and grape seed — help inhibit DPP4, the enzyme that disrupts HGH release, by 99.9%, as shown in in vitro studies.

Amino Booster Blend: A powerful combination of amino acids that’s scientifically tested to suppress somatostatin, a hormone which inhibits the release of HGH.

Restorative Booster Blend: GABA (Gamma-Aminobutyric Acid), Lutein and Zeaxanthin Isomers support quality sleep, critical for natural HGH production.

Vitamin + Mineral Cofactors: A comprehensive blend of vitamins and minerals provides nutritional support for HGH production, cellular health and viability.

FAQ image

When can I expect positive results?

While it may vary from person to person— depending on habits, genes, and environmental factors such as location— many of our customers experience positive health results in just a few days -- some say in just one night! That’s because our formula is designed to lift energy levels and mood, naturally.

It's not a miracle— it’s years of evidence-based research and development to provide only the best, high-quality ingredients to improve overall health, inside and out.

Will it give me jitters?

No. Unlike other "energy" formulas, Renew is caffeine free and uses a specific combination of 4 powerful superfood blends to help your body naturally rejuvenate itself. The result is that as your HGH levels increase over time, you wake up with smooth, natural energy that lasts all day without jitters. 

How do I use Renew?

Renew comes as a powder that you mix into a little glass of water (about 4-6 oz.) at night and drink about 30 minutes before bed.  It is gluten free, vegan, non-GMO, and it has no artificial colors or flavors.  It has a bit of an orange/citrus taste.

Some people like to mix it in coconut water or add a spritz of fresh lemon for taste.

FAQ image

Can I drink more than one Renew a day?

For most people, one packet at night is sufficient to see positive results. (Results are cumulative and build over time as your HGH levels come up naturally.)

However, we have heard stories of some customers who like to take two packets per day (one in the morning, and one at night). Obviously, we still recommend paying close attention to your body and how it’s feeling.

FAQ image

Will Renew interfere with my medication?

Renew is a natural supplement and should not negatively interfere with any medications you may be taking. As a general rule, we recommend taking it before bed, and preferably an hour apart from any prescription medications. Check with your doctor if you have any questions or concerns.

Should I be taking other nutritional supplements too?

Renew is part of a healthy wellness regimen. It contains multiple nutritionals, such as vitamin and mineral cofactors, potent botanicals, Tahitian Noni juice, grape seed extract, green tea extract, turmeric root extract, blueberry fruit extract, GABA, amino acids, and more.

As a first step, you may want to start with Renew, and then branch out into other products more specific to your situation.

What if I'm not satisfied?

If you are unhappy with your order of Renew, then you may return it within 30 days of purchase for a full refund and zero hassle, less original shipping.

Is my credit card information safe?

Yes! We process all of our orders through a safe, encryption payment processing system. We do not have access to your credit card information, nor do we have the ability to store your credit card information.

After I place my order, how soon will I receive my package?

If you live in the United States, your order should arrive within 5 to 14 business days. 

We ship as soon as possible, but due to current events there may be delays. 

We are excited to prepare, package, and ship your items. Shipping times are calculated with business days, which are Monday-Friday, not including holidays. If you haven’t received your Renew™ within 2 weeks of ordering, please contact us at: [email protected]

How can I order?

Easy. Go ahead and click the button below that says “Buy Now!”

Once you do, go ahead and choose which Renew™ package is right for you.

Again, most of our customers prefer the Renew Subscription because they save the most money and because they love how they feel on Renew, so much that they decide to stay on it for the health benefits.

Can't find what you're looking for?

Contact us at: [email protected]

🔒 100% Satisfaction, 30-Day Money Back Guarantee

About | Products | User Experiences | Research | Free Lessons

© 2024 Kathy Kohlman Buell Wellness, in partnership with PartnerCo, Inc. | Privacy | Terms of Use | Disclaimer

The statements on this site have not been evaluated by the United States Food and Drug Administration (FDA). All information contained herein does not propose to treat, alleviate or prevent any diseases. The contents herein are not presented by a medical practitioner, and that any health care arrangement should be made under the guidance and supervision of your own medical practitioner. The contents herein are only for educational purposes and do not replace medical advices from a practicing medical practitioner or physician.

Scientific Resources:

¹ West and Swartz. "In vitro Inhibition of Dipeptidyl Peptidase-4 (DPP-4) and Arginase by a Dietary Supplement and Its Potential for Improving Quality of Life Factors in Adults", Journal of Pharmaceutical Research International, 07 May 2022, https://journaljpri.com/index.php/JPRI/article/view/36193/68440

² Wang, M. Y., West, B. J., Jensen, C. J., Nowicki, D., Su, C., Palu, A. K., & Anderson, G. (2002). "Morinda citrifolia (Noni): a literature review and recent advances in Noni research." Acta pharmacologica Sinica, 23(12), 1127–1141.

³ Tam, Johnson, Rood , Heaton, and Greenway. "Increased Human Growth Hormone After Oral Consumption of an Amino Acid Supplement: Results of a Randomized, Placebo-Controlled, Double-Blind, Crossover Study in Healthy Subjects." 2020 Jul/Aug, https://pubmed.ncbi.nlm.nih.gov/30893070/

⁴ Deng, S., West, B. J., Palu, '. K., & Jensen, C. J. (2011). Determination and comparative analysis of major iridoids in different parts and cultivation sources of Morinda citrifolia. Phytochemical analysis : PCA, 22(1), 26–30. https://doi.org/10.1002/pca.1246

⁵ Palu, A. K., Kim, A. H., West, B. J., Deng, S., Jensen, J., & White, L. (2008). The effects of Morinda citrifolia L. (noni) on the immune system: its molecular mechanisms of action. Journal of ethnopharmacology, 115(3), 502–506. https://doi.org/10.1016/j.jep.2007.10.023

⁶ West, B. J., Deng, S., Isami, F., Uwaya, A., & Jensen, C. J. (2018). The Potential Health Benefits of Noni Juice: A Review of Human Intervention Studies. Foods (Basel, Switzerland), 7(4), 58. https://doi.org/10.3390/foods7040058

⁷ Blizzard R. M. (2012). History of growth hormone therapy. Indian journal of pediatrics, 79(1), 87–91. https://doi.org/10.1007/s12098-011-0609-4

⁸ Hepsomali, P., Groeger, J. A., Nishihira, J., & Scholey, A. (2020). Effects of Oral Gamma-Aminobutyric Acid (GABA) Administration on Stress and Sleep in Humans: A Systematic Review. Frontiers in neuroscience, 14, 923. https://doi.org/10.3389/fnins.2020.00923

⁹ Heaton, A. L., Kelly, C., Rood, J., Tam, C. S., & Greenway, F. L. (2021). Mechanism for the Increase in Human Growth Hormone with Administration of a Novel Test Supplement and Results Indicating Improved Physical Fitness and Sleep Efficiency. Journal of medicinal food, 24(6), 653–659. https://doi.org/10.1089/jmf.2020.0109

¹⁰ Oketch-Rabah, H. A., Madden, E. F., Roe, A. L., & Betz, J. M. (2021). United States Pharmacopeia (USP) Safety Review of Gamma-Aminobutyric Acid (GABA). Nutrients, 13(8), 2742. https://doi.org/10.3390/nu13082742

¹¹ Kim, S., Jo, K., Hong, K. B., Han, S. H., & Suh, H. J. (2019). GABA and l-theanine mixture decreases sleep latency and improves NREM sleep. Pharmaceutical biology, 57(1), 65–73. https://doi.org/10.1080/13880209.2018.1557698

¹² Thomas, A., Kohler, M., Mester, J., Geyer, H., Schänzer, W., Petrou, M., & Thevis, M. (2010). Identification of the growth-hormone-releasing peptide-2 (GHRP-2) in a nutritional supplement. Drug testing and analysis, 2(3), 144–148. https://doi.org/10.1002/dta.120

¹³ Medeiros, A., & Siegel Watkins, E. (2018). Live Longer Better: The Historical Roots of Human Growth Hormone as Anti-Aging Medicine. Journal of the history of medicine and allied sciences, 73(3), 333–359. https://doi.org/10.1093/jhmas/jry001

¹⁴ van Vught, A. J., Nieuwenhuizen, A. G., Brummer, R. J., & Westerterp-Plantenga, M. S. (2008). Effects of oral ingestion of amino acids and proteins on the somatotropic axis. The Journal of clinical endocrinology and metabolism, 93(2), 584–590. https://doi.org/10.1210/jc.2007-1784

¹⁵ Heaton, A. L., Kelly, C., Rood, J., Tam, C. S., & Greenway, F. L. (2021). Mechanism for the Increase in Human Growth Hormone with Administration of a Novel Test Supplement and Results Indicating Improved Physical Fitness and Sleep Efficiency. Journal of medicinal food, 24(6), 653–659. https://doi.org/10.1089/jmf.2020.0109

¹⁶ Demmig-Adams, B., López-Pozo, M., Stewart, J. J., & Adams, W. W., 3rd (2020). Zeaxanthin and Lutein: Photoprotectors, Anti-Inflammatories, and Brain Food. Molecules (Basel, Switzerland), 25(16), 3607. https://doi.org/10.3390/molecules25163607

¹⁷ Mares J. (2016). Lutein and Zeaxanthin Isomers in Eye Health and Disease. Annual review of nutrition, 36, 571–602. https://doi.org/10.1146/annurev-nutr-071715-051110

¹⁸ Fayh, A. P., Friedman, R., Sapata, K. B., & Oliveira, A. R. (2007). "Effect of L-arginine supplementation on secretion of human growth hormone and insulin-like growth factor in adults". Arquivos brasileiros de endocrinologia e metabologia, 51(4), 587–592. https://doi.org/10.1590/s0004-27302007000400013