Brand: Allergy Research Group

L-Lysine 100 capsules 500 milligrams

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Product Description

About Allergy Research Group L-Lysine

Allergy Research Group L-Lysine is a nutritional supplement providing 500mg of the essential amino acid L-lysine per capsule. As an essential amino acid, lysine must be obtained through the diet and cannot be synthesized by the body. L-lysine plays important roles in protein synthesis, enzyme and hormone production, absorption of calcium, and proper immune function. This high-quality L-lysine supplement from Allergy Research Group supports nutrition at the cellular level. It can be taken to help restore lysine levels when needs may increase due to stress, infection, injury, as well as support muscle building, calcium absorption, hormone and antibody production, and a healthy immune response.

Potential Benefits

  • Supports protein synthesis
  • Promotes hormone and antibody production
  • Supports calcium absorption
  • Helps maintain lean body mass
  • Supports immune function


IngredientAmount Per Serving% Daily ValueBenefit
L-Lysine Hydrochloride500 mgN/AEssential amino acid that supports protein synthesis, hormone production, calcium absorption and immune function

Dosage & How to Take

Take 1-3 capsules daily with meals or as directed by a healthcare practitioner.

Side Effects

L-lysine is generally well-tolerated. Very high intakes above 20 grams per day may cause stomach cramps or diarrhea. People with kidney or liver disease should exercise caution.

About the Manufacturer

Allergy Research Group was founded in 1979 and has specialized in hypoallergenic nutritional supplements for individuals with food sensitivities or allergies. Allergy Research Group maintains stringent quality control standards. Their products are extensively tested for purity, potency and efficacy. All products are free from common allergens and harmful additives.

L-lysine is an essential amino acid that supports health at the cellular level. Get high-quality L-lysine from a leading supplement brand you can trust - Allergy Research Group L-Lysine.

FAQs About Allergy Research Group L-Lysine

What is L-lysine?

L-lysine is one of the essential amino acids that make up proteins. It cannot be synthesized by the body so must be obtained from the diet or supplements. L-lysine plays important roles in protein synthesis, hormone and enzyme production, absorption of calcium, and immune function.

What are some signs of lysine deficiency?

Lysine deficiency is rare but symptoms may include fatigue, nausea, dizziness, loss of appetite, agitation, bloodshot eyes, slow growth and reproductive issues.

How much L-Lysine should I take per day?

The recommended daily intake (RDI) for lysine is 30mg per kg of body weight or about 2,100 mg for a 150 lb adult. Higher doses up to 3-6 grams daily can be used therapeutically for short periods under medical supervision.

When should I take L-Lysine?

L-Lysine capsules are best taken with food, ideally splitting the dosage to 2-3 times a day with meals.

Can I take too much L-Lysine?

Doses over 20 grams per day increase the risk of side effects like stomach pain and diarrhea. Very high doses may affect kidney function.

Does Allergy Research Group test for purity?

Yes, Allergy Research Group extensively tests all of their products for purity and potency. Their L-lysine undergoes HPLC analysis to ensure the identity, purity and potency of each batch.

Where can I buy Allergy Research Group L-Lysine?

AcuAtlanta carries the full line of Allergy Research Group supplements. L-Lysine and all Allergy Research Group products can be purchased on or at our clinic in Atlanta.

Disclaimer:The information provided on this page, including descriptions, benefits, and uses of our products, is for general informational purposes only. It is not intended to constitute or substitute for medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.