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NOW Foods

L-Lysine, 1,000 mg, 250 Tablets

4.8 · 29859 reviews
2,276 ₽

Double Strength Essential Amino Acid Supports Collagen Synthesis Healthy Immune Function Non-GMO A Dietary Supplement Vegetarian/Vegan Kosher Family Owned Since 1968 Amino Acids Halal GMP Quality Assured Lysine is an essential amino acid that must be obtained through the diet or through supplementation. Lysine is necessary for the production of all proteins in the body, and is required for the maintenance of the structural proteins collagen and elastin, which form all connective tissues such as skin, tendon, and bone. Lysine is also a precursor to carnitine, which is needed for fat metabolism and energy production. In addition, lysine may help to support a healthy immune system and proper cardiovascular function. This product has twice the L-lysine (1,000 mg per tablet) as in our regular strength product (500 mg per tablet). NOW ® L-Lysine is a pharmaceutical grade essential amino acid.

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Double Strength Essential Amino Acid Supports Collagen Synthesis Healthy Immune Function Non-GMO A Dietary Supplement Vegetarian/Vegan Kosher Family Owned Since 1968 Amino Acids Halal GMP Quality Assured Lysine is an essential amino acid that must be obtained through the diet or through supplementation. Lysine is necessary for the production of all proteins in the body, and is required for the maintenance of the structural proteins collagen and elastin, which form all connective tissues such as skin, tendon, and bone. Lysine is also a precursor to carnitine, which is needed for fat metabolism and energy production. In addition, lysine may help to support a healthy immune system and proper cardiovascular function. This product has twice the L-lysine (1,000 mg per tablet) as in our regular strength product (500 mg per tablet). NOW ® L-Lysine is a pharmaceutical grade essential amino acid.

Customer reviews

5.0
verified purchase
antiviral

Protein Synthesis: Helps build proteins needed for growth and tissue repair. Immune Support: Supports your immune system and helps fight infections. Collagen Production: Important for skin, cartilage, and bone health. Calcium Absorption: Helps the body absorb and conserve calcium. Antiviral Properties: Known for its role in managing herpes simplex virus (HSV) outbreaks, especially cold sores.

4/13/2025
5.0
verified purchase
Must-have supplement! 💊

I started taking l-lysine after hearing that it helps with canker sores. I definitely get them less frequently now and always keep l-lysine supplements on hand!

2/28/2026
5.0
verified purchase
Great for Immune and Muscle Support

This double-strength L-lysine is an excellent supplement for boosting immune health and supporting muscle recovery. 💪😊 The 1,000 mg dosage is convenient and effective, especially during intense training phases or when I feel my body needs extra support. The tablets are easy to take, and I’ve noticed improved energy and overall resilience. For best results, take it on an empty stomach to maximize absorption. If you found this helpful, leave a like, please! ^-^

2/6/2025
5.0
verified purchase

At sixty-four, I’ve accumulated enough experience with overcomplicated products to know what I don’t want. Tiny instructions, awkward containers, and unnecessary steps lose my interest very quickly. This has a pleasantly straightforward character while still feeling carefully made rather than stripped down. I appreciate that it respects the user’s time instead of trying to turn a simple routine into an elaborate process.

8/16/2026
5.0
verified purchase
Great for collagen support

I take this together with my collagen and it has been helpful so far since I see that my nails are no longer brittle compare before. This is great to combo with your collagen to boost the benefits it has. Packaging was decent to ensure that it doesn’t get damaged during shipping. The capsules are quite big but it is manageable the more you try it.

5/30/2026
5.0
verified purchase
No break outs

Since taking L-Lysine daily, my cold sores no longer appear, even during stress or fatigue. When I feel one starting, it subsides quickly. I also noticed improved immunity and faster recovery. Simple, effective, and now part of my daily health routine. So much affordable and last longer for the price taking once daily is reasonable. I strongly recommend this supplement specially for active elderly.

3/27/2026
5.0
verified purchase
Now

The quality was so incredible. I had been waiting for a week to get my goods. The ingredient was inscribed on the label clearly. I like the package so much. It has no taste at all, and it is easy to swallow. Also, the benefit is so impressive with my age.

2/20/2026
5.0
verified purchase
great

I started taking L-Lysine to support my immune health during cold season, and it has become part of my routine. I notice steadier energy and fewer flare-ups from occasional blemishes

1/22/2026
5.0
verified purchase
High-Potency Lysine You Can Trust

NOW Foods L‑Lysine has exceeded my expectations in both quality and value. Each tablet delivers a full 1,000 mg dose, making it easy to get effective support without needing multiple servings. The tablets are smooth, easy to swallow, and gentle on digestion, which is a big plus for daily use. I’ve noticed a clear difference in my overall wellness since adding this supplement—especially in supporting immune health and recovery. The 100‑tablet count is generous, ensuring I don’t have to reorder frequently, and the price point is excellent compared to other brands. NOW Foods is a company I trust for purity and consistency, and this product is another example of their commitment to high standards. If you’re looking for reliable lysine supplementation, this is the one to choose!

12/4/2025
5.0
verified purchase
Love this

Iherb is my go to in buying trusted brands. The quality and quantity of this product is great for me. Extremely happy with my purchase. Prompt with delivery also.

11/26/2025