Nature Made L-Lysine 500 mg Review
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Study, Trial or Testing Result Summary
Members Only1 human studies · 1 improved
The research on lysine for aging is very thin. Only one small human study has looked at lysine in relation to skin aging. In that study, older adults used a microneedle skin patch for 12 weeks. The patch held a peptide blend made from arginine and lysine, along with other peptides, adenosine and seaweed extracts in a hyaluronic acid base. Fine lines and wrinkles looked 25.8 percent less visible, skin hydration rose by 15.4 percent, and skin density and thickness rose by 14.2 and 12.9 percent, with no skin reactions reported [1]. However, the study did not say how many people took part, had no placebo group, and did not measure biological age. Because so many ingredients were combined and applied to the skin, the results cannot be credited to lysine itself [1]. No study has tested lysine taken by mouth, like this 500 milligram tablet, for aging or DNA repair [1]. There are also no counted customer reviews for this product, so there is no member experience to weigh. Animal and cell studies are never counted.
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- In a 12-week study of older adults, a microneedle patch containing an arginine and lysine peptide blend plus other peptides reduced the appearance of fine lines and wrinkles by 25.8 percent, improved skin hydration by 15.4 percent, and increased dermal density and thickness by 14.2 and 12.9 percent, with no skin reactions. Lysine was only one part of a multi-ingredient product, and the study had no placebo group.Efficacy of bioactive peptides loaded on hyaluronic acid microneedle patches: A monocentric clinical study.
Review Totals and Summary
Members OnlyWhat buyers say
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Biohacker Summary
Members Only0 of 10 recommend it
Three of the ten panelists spoke about L-lysine, the main ingredient here, and two of them recommend it while the third is neutral in his latest comment. They mostly take it for viral problems such as shingles, herpes and cold sores, with one also pointing to thicker hair and another to connective tissue health. The reasoning given is that lysine competes with arginine, which the virus needs, so some suggest eating foods high in lysine and low in arginine, or taking a supplement. One panelist gives doses: at least 600 milligrams once or twice a day for shingles, and 3000 milligrams for intense cases. Another pairs it with high-dose intravenous vitamin C for viral reactivation, and the neutral voice asks whether a broad amino acid blend containing arginine would blunt its effect on cold sores. No one reported stopping it.
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Dr. Eric Berg · L-Lysine · recommends
- Recommends L-lysine because it competes with L-arginine, which the virus needs to reproduce, thus blocking the virus from getting arginine and starving it off.
- Recommends taking an L-lysine supplement or consuming foods high in L-lysine for thicker hair.
- Recommends L-lysine for shingles.
- Recommends eating foods high in l-lysine or taking l-lysine supplements to put the herpes virus into remission, especially if consuming foods high in arginine. For intense cases, 3000 milligrams is recommended.
- Recommends taking at least 600 milligrams of L-lysine once or twice a day to help with shingles.
Dr. Mark Hyman · L-Lysine · recommends
- Recommends pairing high-dose IV vitamin C with L-lysine, an amino acid with an antiviral component, for viral reactivation.
- Dr. Hyman mentions that L-Lysine, an amino acid, can help inactivate the Epstein-Barr virus and is often taken to prevent herpes outbreaks.
Ben Greenfield · L-Lysine · neutral
- Angie is wondering if taking a broad spectrum amino acid supplement with L-arginine would inhibit the effectiveness of L-lysine for cold sores.
- Ben says that L-lysine is really important for connective tissue health and can have a significant effect on cold sores, recommending a lysine supplement or foods high in lysine and low in arginine.
RAL Summary
Members OnlyTier 4 for Healthy Aging
The second tier rests on one uncontrolled study of a skin patch in which an arginine and lysine peptide blend was mixed with many other ingredients, which does not test lysine taken by mouth, and the product has no counted reviews. So it is graded Tier 4, lower than the rules alone gave.
- Emerging: not enough evidence to rank higher yet.
More Details
Members OnlyBody systems · Combine with · Possible side effects
Body systems: Integumentary system
Possible side effects: No major side effects reported; the one skin patch study reported no skin reactions.
Supplement Facts
L-Lysine 500 mg
| L-Lysine | 500 mg | † |
Other ingredients: Cellulose Gel, Stearic Acid, Methylcellulose, Silicon Dioxide, Croscarmellose Sodium, Hypromellose, Magnesium Stearate, Polyethylene Glycol.
Directions: Suggested use: Take one tablet daily with a meal. For easier swallowing, take with water before and during ingestion.
Barcode (UPC) 031604016814 · Label source: NIH label database · Report a label change
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Graded November 6, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.
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