From Lip Vitality to Immune Defense: Discover Source Naturals L-Lysine 1000 mg
Maintain whole-body resilience, skin firmness, and everyday wellness with Source Naturals L-Lysine 1000 mg. As an essential amino acid, your body cannot produce lysine on its own; it must be supplied through diet or focused daily supplementation. This high-potency tablet delivers pure free-form L-Lysine (as L-lysine hydrochloride) to promote rapid bioavailability and systemic support.
Whether you are looking to support lip and tissue comfort, enhance natural collagen integrity for healthy joints and bone density, or optimize cellular energy production, this clean, vegetarian-friendly formula delivers dependable purity in every tablet.
Key Benefits at a Glance
✓Targeted Lip & Tissue Comfort: Balances intracellular amino acid ratios to maintain smooth, resilient skin and lip comfort year-round.
✓Collagen & Connective Tissue Support: Acts as an indispensable building block for cross-linking collagen fibers that reinforce skin elasticity, gums, tendons, and cartilage.
✓Enhanced Calcium Retention: Aids intestinal absorption and renal conservation of dietary calcium to support bone matrix density.
✓Cellular Energy & Fat Metabolism: Serves as a direct metabolic precursor to L-carnitine, which carries fatty acids into mitochondria to generate fuel.
✓Pure Free-Form Bioavailability: Rapidly utilized without the digestive lag associated with breaking down whole dietary proteins.
How L-Lysine Functions in the Body
Discovered in 1889 by researcher Heinrich Drechsel, L-lysine has earned a place in clinical nutritional science as one of the nine essential amino acids necessary for human survival. Because the human genome does not encode enzymes to synthesize lysine, your cells rely entirely on external intake.
At the cellular level, L-lysine functions as a crucial structural unit in protein synthesis. It undergoes enzymatic hydroxylation to create hydroxylysine, a vital cross-link that gives collagen its tensile strength in bone cartilage and dermis. Furthermore, lysine donates its carbon skeleton toward producing acetyl coenzyme A (acetyl-CoA), the central gateway compound fueling the Krebs cycle for daily metabolic vitality.
In cellular balance, lysine competes directly with L-arginine for common cellular transport channels. By optimizing lysine intake relative to dietary arginine, cells maintain an internal biochemical environment that supports tissue calmness and immune defenses.
Why Free-Form L-Lysine HCl Offers Greater Value
When you eat dietary proteins like beef, beans, or poultry, your digestive enzymes must spend hours hydrolyzing peptide bonds to liberate individual amino acids. In contrast, Source Naturals L-Lysine 1000 mg utilizes pharmaceutical-grade, free-form L-lysine monohydrochloride.
Free-form amino acids bypass the extensive enzymatic breakdown of whole foods, promoting rapid absorption across the intestinal brush border via sodium-dependent cationic amino acid transporters. This rapid delivery makes free-form lysine exceptionally dependable when your body requires fast, targeted nutritional support during physical stress, seasonal changes, or athletic recovery.
Other Ingredients: Stearic acid, sorbitol, colloidal silicon dioxide (silica), modified cellulose gum, and magnesium stearate.
Allergen Free From: Yeast, dairy, egg, gluten, soy, and wheat. Free of sugar, starch, preservatives, artificial colors, artificial flavors, and fragrances.
Suggested Adult Use: Take 1 tablet daily, preferably between meals with a glass of water, or as advised by your healthcare practitioner.
Safety Information: If you are pregnant, planning to become pregnant, or breastfeeding, consult your physician prior to taking this product. Do not use if tamper-evident seal is damaged or missing. Keep out of reach of children. Store in a cool, dry place.
Frequently Asked Questions (FAQ)
What is Source Naturals L-Lysine 1000 mg used for?
L-Lysine is an essential amino acid widely used to support lip and skin resilience, bolster natural immune defenses, encourage collagen matrix development for tendons and bone strength, and aid calcium retention.
How does L-Lysine work with L-Arginine in the body?
L-Lysine and L-arginine share identical cellular transport systems. When supplemental lysine is ingested, it increases circulating lysine availability relative to arginine, maintaining an internal balance that supports cellular calmness and tissue health.
What does "free form" L-Lysine mean?
"Free form" indicates that the amino acid is isolated and free of chemical bonds to larger protein chains. This enables smooth, direct assimilation through your intestinal tract without requiring protracted digestion.
How should I take Source Naturals L-Lysine 1000 mg?
Take 1 tablet daily with plenty of water. Taking amino acids between meals on an empty stomach maximizes intestinal transporter uptake, though taking it with light food is also acceptable if you have sensitive digestion.
Are there common allergens or animal products in this supplement?
No. Source Naturals L-Lysine 1000 mg contains no dairy, egg, gluten, soy, wheat, or yeast. It contains no artificial flavors or preservatives and is suitable for vegetarians.
Scientific References & Clinical Citations
Civitelli, R., Villareal, D. T., Agnusdei, D., Nardi, P., Avioli, L. V., & Gennari, C. (1992). Dietary L-lysine and calcium metabolism in humans. Nutrition, 8(6), 400–405. PMID: 1486246.
Griffith, R. S., Walsh, D. E., Myrmel, K. H., Thompson, R. W., & Behforooz, A. (1987). Success of L-lysine therapy in frequently recurrent herpes simplex infection: Treatment and prophylaxis. Dermatologica, 175(4), 183–190. doi:10.1159/000248823.
Smriga, M., Ghosh, S., Mouneimne, Y., Pellett, P. L., & Scrimshaw, N. S. (2004). Lysine fortification reduces anxiety and lessens reactivity in humans. Proceedings of the National Academy of Sciences (PNAS), 101(21), 8285–8288. doi:10.1073/pnas.0402550101.
Yamauchi, M., & Sricholpech, M. (2012). Lysine post-translational modifications of collagen. Essays in Biochemistry, 52, 113–133. doi:10.1042/bse0520113.
*Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
