Top Lysine Brands: Boost Your Wellness with These Picks

Lysine, an essential amino acid, plays a crucial role in supporting the body's immune function, collagen synthesis, and calcium absorption. With numerous lysine supplements available on the market, choosing the right brand is essential for achieving optimal health benefits. Many reputable brands offer high-quality lysine products, ensuring purity, potency, and adherence to safety standards. To explore a detailed list of the best lysine supplement brands and discover which might be right for your needs, read on below.

Illustration of lysine

Best brands of lysine in 2025

NOW Foods

NOW Foods is a renowned brand for producing high-quality L-Lysine supplements, offering pharmaceutical-grade essential amino acids that support collagen synthesis, healthy immune function, and fat metabolism. Their Double Strength L-Lysine tablets provide 1000 mg of L-Lysine per tablet, twice the amount of their regular strength product. Established since 1968, NOW Foods ensures GMP quality assurance and manufactures products that are non-GMO, vegetarian, vegan, kosher, and halal. Their L-Lysine supplements are free from common allergens like wheat, gluten, soy, milk, egg, fish, shellfish, and tree nuts. With a long history of reliability, NOW Foods has been a trusted name in the supplement industry for over 55 years. For more details, visit their product page for L-Lysine 1000 mg tablets.

Solgar

Solgar is renowned as one of the best producers of L-Lysine supplements, offering a potent 1000mg dose of free-form L-Lysine in each tablet, which is essential for supporting skin tissue health, promoting collagen production, and maintaining the integrity of skin and lips. Made from non-GMO, chemical-free ingredients, Solgar's L-Lysine is free of common allergens like gluten, dairy, wheat, and sugar, and is suitable for vegans. With a history of innovation since 1947, Solgar adheres to high-quality standards, crafting products in small batches and using 100% recyclable amber glass bottles. The brand has also been carbon neutral for over 20 years. Solgar's commitment to purity and sustainability makes it a trusted choice for dietary supplements.

Nature Made

Nature Made is a renowned brand in the nutritional supplements industry, particularly noted for its high-quality L-lysine products. Founded in 1971, Nature Made has over 50 years of expertise and is the #1 pharmacist-recommended vitamin and supplement brand in nine product segments. Their L-lysine tablets are formulated to provide 1000 mg of L-lysine per daily dose, supporting protein synthesis and addressing dietary shortfalls since the human body cannot produce this essential amino acid naturally. Nature Made ensures its products meet high purity and potency standards, often verified by the U.S. Pharmacopeia. With a commitment to science-backed solutions, Nature Made's L-lysine tablets are free from artificial flavors, colors, and preservatives, making them a reliable choice for those needing to supplement their diet.

Jarrow Formulas

Jarrow Formulas is renowned as one of the best producers of L-Lysine supplements, known for its high-quality, non-GMO, and allergen-free products. Their L-Lysine supplements are essential for protein metabolism, growth, development, and tissue maintenance, and may help reduce symptoms of cold sores and herpes. Jarrow Formulas has a strong reputation, having been chosen as the #1 Probiotics Brand for customer satisfaction in 2019 by ConsumerLab.com, with over 20 of their products tested and approved by the lab. Their L-Lysine capsules are free from common allergens and preservatives, making them suitable for vegetarians and vegans. The suggested dosage is 1 capsule, 1-3 times a day, preferably on an empty stomach. For more information on their L-Lysine 500mg capsules, visit Jarrow Formulas L-Lysine product page.

Thorne Research

Thorne Research is renowned for producing high-quality lysine supplements, utilizing the purest and most absorbable form of L-lysine without unnecessary additives or preservatives. Their products support various health benefits, including wound healing, immune health, skin health, and bone health by promoting collagen formation and calcium absorption. Thorne's rigorous testing and manufacturing processes, including four rounds of testing, ensure the highest standards of quality and compliance with Good Manufacturing Practices (GMP). Their facility is certified by stringent regulatory bodies such as NSF and Australia's Therapeutic Goods Administration (TGA), reflecting their commitment to excellence. With a strong presence in the global lysine market, Thorne's products are trusted by health-conscious consumers and athletes alike.

Pure Encapsulations

Pure Encapsulations is a renowned brand in the nutritional supplement industry, particularly noted for its high-quality l-Lysine products. With over 30 years of research and innovation, Pure Encapsulations ensures that their products are formulated using pure, high-quality ingredients backed by verifiable science and free from unnecessary additives and common allergens. Their l-Lysine supplements are vegan, vegetarian, and gluten-free, making them accessible to a wide range of consumers. These supplements support immune function, maintain healthy gum and lip tissue, and enhance calcium absorption. Pure Encapsulations' commitment to purity and potency has established them as a trusted name in the health and wellness sector.

Doctor's Best

Doctor's Best is renowned for its high-quality lysine supplements, offering 500mg veggie capsules that are highly absorbable and convenient. This brand is trusted for its rigorous manufacturing standards and bioavailable formulations, ensuring maximum efficacy. Doctor's Best lysine supplements are often recommended for their purity and potency, with no fillers or unnecessary additives. The 500mg dosage is effective yet safe, aligning with the recommended intake levels that have shown positive results in various studies. With a strong focus on customer satisfaction, Doctor's Best provides a 90-day money-back guarantee.

Source Naturals

Source Naturals is a reputable brand known for its high-quality L-Lysine supplements, offering various forms such as capsules, tablets, and powder. Their L-Lysine products are free from common allergens like yeast, dairy, egg, gluten, soy, and wheat, and contain no sugar, starch, preservatives, or artificial color, flavor, or fragrance. Each serving of their 500 mg tablet provides 1 gram of L-Lysine, which is crucial for collagen formation and energy production. The brand ensures suitability for vegetarians and maintains stringent quality standards. With products like Proline & Lysine, which also includes Vitamin C and antioxidants, Source Naturals caters to a wide range of nutritional needs.

Life Extension

Life Extension is a renowned brand for producing high-quality L-Lysine supplements, with over 40 years of dedication to delivering science-backed nutritional products. Their L-Lysine supplements, available in 620 mg vegetarian capsules, support healthy nitrogen balance, promote calcium metabolism, and inhibit glycation, which can contribute to age-related factors. With a strong commitment to customer satisfaction, 98% of their customers recommend Life Extension products to family and friends. The supplements are gluten-free, non-GMO, and LE certified, ensuring top-notch quality. Life Extension's L-Lysine is particularly beneficial for vegans and athletes who require increased essential amino acid intake.

Solaray

Solaray is renowned as one of the best producers of lysine supplements, offering a range of products that cater to various health needs. Their L-Lysine Monolaurin 1:1 Ratio supplement, for example, provides 500 mg of L-Lysine and 500 mg of Monolaurin per serving, supporting immune system health and overall well-being. Solaray's products are lab-verified, ensuring quality and safety, and they are available in convenient formulations such as free-form amino acids and combinations with other beneficial ingredients like beta-glucan. With a commitment to authenticity and direct sourcing from the brand, Solaray products are trusted by many for their health benefits. Solaray's supplements are designed to support various bodily functions, including protein synthesis, immune system health, and skin health.