L-Lysine 500 mg 100 Capsules


L-Lysine is an essential amino acid and must be obtained from food or by supplementation. Vegetarians and athletes who participate in frequent vigorous exercise are at highest risk for a lysine deficiency. Lysine helps the body absorb and conserve calcium and it plays an important role in the formation of collagen, a substance important for bones and connective tissues including skin, tendons and cartilage.*

*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

System Support

Musculoskeletal System

Men and women who incorporate L-Lysine 500 mg by Metabolic Maintenance into their dietary regimens on a daily basis can expect to receive a number of significant health benefits:

  • Supports healthy development of collagen to ensure healthy bones, tendons and cartilage.
  • Aids in the body’s conservation of calcium supplies.
  • Supports the production of enzymes, hormones and antibodies.
  • Aids in lowering bad cholesterol levels.
  • Promotes healthy skin.

Supplement Facts

Serving Size: 1 capsule
L-Lysine (as 625 mg of L-Lysine HCl) 500 mg

Other ingredients:
Vegetarian cellulose capsule.


1 capsule 1 time a day or as directed by your healthcare practitioner.


For more than a quarter century, Metabolic Maintenance has been the choice of health care professionals who want the best for their patients. Using only the highest-quality ingredients and processes, we deliver products you can trust, exceptional value, and service that’s second to none.


Our products are based on the latest wellness research. Ingredients are sourced from the finest suppliers and tested for purity and potency. We manufacture our own products according to certified manufacturing processes; in fact, we were the first physician-exclusive manufacturer to earn NPA-GMP certification.


Recommend Metabolic Maintenance with confidence,even for patients with sensitivities. Our products are free of preservatives, fillers, binders, artificial ingredients or excipients. All two-piece capsules are vegetarian and we use amber, glass bottles. The vast majority of our products contain no animal products,wheat, gluten, egg, soy, peanuts, tree nuts, fish or shellfish—and the handful of exceptions are clearly marked.


We make it easy for you to provide the right supplements for your patients, and easy for them to comply.


Since 1984, superior customer service has been the foundation of our company. We’re committed to your patients’ health and your satisfaction.


To ensure freshness and optimum potency, we purchase raw materials and manufacture our supplements approximately every 90 days. We also adjust our prices more than once a year based on the current costs of fresh ingredients. If our costs go down, we pass the savings on to you.