Do amino acid HGH boosters raise growth hormone for real?

Not in any way that has been shown to matter. Studies have found that arginine, lysine and ornithine can raise growth hormone in the blood for a short time, mostly at gram-level doses or when given by infusion. But research on oral supplements has repeatedly failed to show a lasting rise, and no well-run study has found that these amino acids add muscle or strength beyond training alone. A capsule with a few hundred milligrams of each is a long way from any of that.

This article explains what "HGH booster" products are, what the studies tested, and how to read a label that makes the claim. It is general information, not medical advice. Talk to a doctor if you are worried about hormone levels, because low growth hormone is diagnosed with medical tests, not with a supplement.

What is an "HGH booster" supplement?

Human growth hormone (HGH) is a hormone your pituitary gland makes. The prescription version is an injection. An "HGH booster" or "HGH support" capsule contains no growth hormone at all. It contains amino acids, usually arginine, lysine and ornithine, sometimes with glutamine, glycine or herbal extras, and the sales pitch is that these nudge your own body into releasing more.

The pitch mixes two separate ideas. One is that a hormone level rises for a few hours after a dose. The other is that this rise changes how you look, feel or perform. The first can sometimes be measured. The second is where the evidence runs out.

Where does the arginine and lysine idea come from?

Most of these products trace back to a small 1981 study by Isidori and colleagues, published in Current Medical Research and Opinion. It tested 15 male volunteers and reported that a combination of two amino acids given by mouth was followed by a rise in growth hormone and insulin. The effect appeared to be specific to the combination: neither amino acid showed appreciable activity alone, even at the same doses.

Our HGH Activator review examines a capsule built on that idea. The study used 1,200 mg of arginine plus 1,200 mg of lysine, according to our review, while the capsule contains 200 mg of arginine and 150 mg of lysine. That is roughly one-sixth and one-eighth of the study amounts. The same review also notes that the product's page leans on a 1990 trial of injected prescription growth hormone, which is a different intervention from an oral amino acid pill.

Do oral amino acids raise growth hormone for real?

A hormone bump and a useful result are different things, and the later studies are not kind to the idea.

• In a 1993 study of seven male bodybuilders, a 2.4 g arginine/lysine supplement and a 1.85 g ornithine/tyrosine supplement, taken in the amounts the manufacturers recommended, did not consistently change blood growth hormone over three hours compared with placebo.
• In a 1993 trial in the Journal of Gerontology, two groups of eight healthy older men took either 3 g of arginine plus 3 g of lysine or placebo, twice daily for 14 days. The amino acids did not significantly change overnight growth hormone, stimulated growth hormone or IGF-I, and the authors concluded that oral arginine/lysine is not a practical way of chronically enhancing growth hormone secretion in old men.
• A 2002 review in the journal Nutrition by Chromiak and Antonio agreed that some amino acids can stimulate growth hormone release when infused or taken by mouth, but noted a high degree of variability between people, and that oral doses large enough to cause a significant release are likely to cause stomach discomfort and diarrhea.

There are positive findings too, and it is fair to say so. A 2010 placebo-controlled study in 17 strength-trained athletes found that arginine plus ornithine during three weeks of heavy training was followed by higher growth hormone and IGF-1 levels after an exercise test. That is a measurable rise in a small group, and the paper itself reports hormone levels, not strength or muscle gains.

That gap is the main point. The 2002 review noted that no studies found that pre-exercise oral amino acids augment growth hormone release, and that no appropriately conducted studies found that oral amino acids taken before strength training increase muscle mass and strength more than training alone. The authors did not recommend using specific amino acids to stimulate growth hormone release.

Would more growth hormone even help?

Even real growth hormone injections have a mixed record in healthy people. A 2008 systematic review in the Annals of Internal Medicine covered young, lean, fit adults and found that growth hormone increased lean body mass by about 2.1 kg, but strength and exercise capacity did not seem to improve, and recipients more often had soft tissue swelling and fatigue. The authors concluded that claims that growth hormone enhances physical performance are not supported by the scientific literature.

The logic is simple. If injected hormone at prescription-scale doses gives small and mixed results in healthy young adults, with swelling and fatigue as side effects, a capsule that may nudge your own levels briefly is unlikely to deliver the transformation that many sales pages describe.

What do the labels of HGH-style products show?

The label is where the claim meets the milligrams. Three patterns come up in our reviews.

Doses far below the study doses. HGH Activator discloses every dose, which our review credits, but all seven are well below what the studies it leans on used. Its 180-day refund is generous, which limits the downside if you decide to test it anyway.

Doses so small they cannot be compared at all. NeuroQuiet is sold as a hearing support spray, yet its label shows a blend with eight amino acids, including arginine, lysine and ornithine, sharing 1,000 nanograms per serving. That is a thousandth of a milligram. Our review points out that this blend is a classic amino acid combination sometimes marketed for growth hormone, and that the amount has no plausible physiological effect.

Amino acids buried inside a blend. The Whispeara review shows a 200 mg proprietary blend of 21 ingredients that includes arginine, ornithine and tyrosine among the undisclosed extras. When an amino acid shares 200 mg with 20 other ingredients, the average per ingredient is only a few milligrams.

How do you evaluate an HGH booster claim?

Use these questions before spending money:

1. What did the study measure? A rise in a blood hormone for a few hours is not the same as more muscle, better sleep or younger skin.
2. What dose did the study use, and what is on the label? Compare the numbers directly. A 6-fold or 8-fold gap is a red flag.
3. Was the study in people like you? Results in seven bodybuilders or 15 young men do not carry over to a different age or fitness level.
4. Is the cited research about injections? A trial of prescription hormone does not describe a supplement.
5. Does the page rely on testimonials? Health claims need solid scientific evidence behind them, and a story from a satisfied buyer is not that.
6. Do you know the refund terms? See our ClickBank refund guide before ordering.

Our review method applies the same checks to every offer, and you can compare more formulas in the energy and wellness category.

FAQ

Do HGH supplements contain human growth hormone?

No. The capsules and sprays we have reviewed list amino acids and plant extracts, not the hormone. Growth hormone itself is a prescription injection.

Does arginine increase growth hormone?

It can raise growth hormone briefly, especially when infused or given in large amounts. In a 14-day trial of healthy older men, 3 g of arginine plus 3 g of lysine twice a day did not significantly change growth hormone or IGF-I.

Do amino acid HGH boosters build muscle?

The 2002 review in Nutrition found no appropriately conducted studies showing that oral amino acids taken before strength training build more muscle or strength than training alone.

Are HGH boosters safe?

Large oral doses of amino acids can cause stomach discomfort and diarrhea, according to the 2002 review. Anyone with a medical condition or who takes medication should check with a doctor or pharmacist first, and people with a milk allergy should check labels, since some products add colostrum.