The Best Capsules L Lysine Nutritional Supplements of 2023

DOUBLE STRENGTH VEGAN TABLETS/ESSENTIAL AMINO ACID: Lysine is an essential amino acid that must be obtained through diet or supplementation.

SUPPORTS COLLAGEN SYNTHESIS/HEALTHY IMMUNE FUNCTION: 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. It is also a precursor to carnitine, which is needed for fat metabolism and energy production.

CERTIFICATIONS/CLASSIFICATIONS: Soy Free, Non-GMO, Vegan/Vegetarian, Nut Free, Made without Gluten, Dairy Free, Egg Free, Kosher

GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).

Packaged in the USA by a family owned and operated company since 1968

During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.

ESSENTIAL AMINO ACID: L-Lysine is an essential amino acid, which means that it cannot be manufactured by the body and must be obtained through the diet or by supplementation.

SUPPORTS HEALTHY CONNECTIVE TISSUE AND CALCIUM ABSORPTION: Lysine is necessary for the production of all protein in the body including hormones, enzymes, and antibodies, as well as carnitine and collagen, which is the structural protein forming all connective tissue such as skin, tendon, and bone. L-Lysine also plays a major role in calcium absorption.

CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Dairy Free, Egg Free, Made without Gluten, Nut Free, Soy Free, Vegan/Vegetarian

GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).

Packaged in the USA by a family owned and operated company since 1968

During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.

500 mg PURE ACTIVE L-LYSINE – Superior Labs’ L-Lysine supports calcium absorption and immune function to maintain muscle mass and promote well-being.*

MAINTAINS MUSCLE MASS – L-Lysine can support repair and restoration of muscle tissue. This helps to maintain muscle mass and reduce recovery time from workouts.*

ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.

UNQUESTIONABLE QUALITY - ALL PRODUCTS PRODUCED IN 3rd PARTY CERTIFIED NSF CERTIFIED FACILITIES - Few are and can pass the stringent standards of NSF. Our products are produced in facilities that have been 3rd party audited and certified for quality by NSF, one of the most stringent quality manufacturing assurance organizations in the industry.

NO RISK AND NO HASSLE - For almost a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we'll gladly refund your money in 48 hours or less. That's it - no questions, no hassle, no risk. ​

IMPROVES CALCIUM ABSORPTION AND PROMOTES HEALTHY BONE DEVELOPMENT- L lysine is considered as an essential alpha amino acid meaning it cannot be manufactured by the body and must be consumed through diet and supplementation. Our high-quality pure L lysine helps your body to maintain nitrogen balance as well as absorb and use calcium much more efficiently which aids in strengthening and reinforcing your bones by promoting bone growth and development.

SUPPORTS FASTER POST-WORKOUT RECOVERY AND BOOSTS IMMUNITY- Our premium formulation of all-natural L-lysine is needed by the body to rebuild and repair tissues and muscles. Your body uses L-lysine in protein synthesis, which is important as workouts cause tiny tears in your muscles and tiny bone fractures. Our Lysine pure encapsulations help your body to heal from these micro-injuries faster. Moreover, Lysine is also needed to create antibodies which are essential for immunity support.

GUARANTEED PURITY IN BPA FREE, RECYCLABLE GLASS BOTTLES- Cheap plastic bottles are harmful to the environment and your health. We seal your supplements in environmentally-friendly amber glass bottles with heat-sealed sleeves and best by dates to ensure the safest and purest product available. Unlike some other supplement manufacturers, our bottles are fully recyclable. Each bottle contains 50 capsules that are easy to swallow, non-GMO, Gluten Free, Vegan and Vegetarian.

WHY CHOOSE NATURAL NUTRA AS YOUR SUPPLEMENT SOURCE- Natural Nutra was established with one mission in mind; to provide the highest quality, all-natural supplements using only environmentally friendly and socially responsible methods. Our products are proudly manufactured in the USA, are backed by extensive research and contain exactly what is presented on our labels.

BE THE CHANGE YOU WANT TO SEE - When you get product from Natural Nutra you’re not just buying a product, you’re igniting change. As supporters of social responsibility and sustainability, we donate a portion of proceeds towards employing villagers to plant trees in heavily deforested regions around the world,

Essential Amino Acid: l-Lysine is an essential amino acid that cannot be manufactured by the body and must be obtained from the diet.*

Immune Support: l-Lysine provides nutritional support to help maintain healthy immune function.*

Natural Defense Support: l-Lysine maintains healthy arginine production and supports the body's natural immune defenses.*

Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.

Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

600mg of pure L-Lysine per capsule - the cleanest formula available

Award-Winning: "Company of the Year", "Product Exec of the Year", "Best Multivitamin"

Pure Formula: Vegan, Non-GMO, Gluten Free

Clean Label: No Magnesium Stearate, Silica or Dioxide

Quality: USA formulated, blended, and bottled

SUPPORTS COLLAGEN SYNTHESIS*: Necessary for the production of all proteins in the body and is required for the maintenance of the structural proteins collagen and elastin.*

HEALTHY IMMUNE FUNCTION*: May help to support a healthy immune system and proper cardiovascular function.*

CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Halal, Soy Free

GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).

Packaged in the USA by a family owned and operated company since 1968.

During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.

THE LITTLE AMINO THAT COULD – Lysine is one of the building blocks of protein. It’s also an essential amino acid, which means your body cannot make lysine on its own. And not everybody gets enough: athletes as well as those following plant-based diets may need to supplement with lysine.

AGING THE HEALTHY WAY – Lysine helps inhibit glycation, a biochemical reaction where lipids and proteins bind to sugars in non-functional ways. Glycation is one of several factors that lead to the physiological effects of aging. So getting enough lysine can help you age gracefully!

HEALTHY RESPONSE TO STRESS – Want to know something else about lysine? This helpful little amino acid helps encourage your body’s healthy response to stress. It also helps you maintain lean body mass, as well as your body’s healthy store of nitrogen. That’s lysine for the win!

INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce.

LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Or formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy is achieved.

1000mg of Premium L-Lysine Per Serving, 500mg Per Capsule

Essential Amino Acid

Serving Size: 1-2 Capsules

Non-GMO, Gluten Free

Made in a GMP Compliant, FDA Registered Facility

Essential Amino Acid: l-Lysine is an essential amino acid that cannot be manufactured by the body and must be obtained from the diet.*

Immune Support: l-Lysine provides nutritional support to help maintain healthy immune function.*

Natural Defense Support: l-Lysine maintains healthy arginine production and supports the body's natural immune defenses.*

Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.

Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.