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L-Lysine Pure Powder

product on market Powder Best Naturals Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

L-lysine hydrochloride is an essential amino acid used in the body for protein synthesis and calcium absorption. There is moderate evidence supporting its use in managing cold sore outbreaks and supporting immune function. However, overall clinical evidence for this specific ingredient profile remains limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for L-Lysine Pure Powder
Open Full PDF View on NIH DSLD →
Details

Label Data

552 mg
Serving Size
822
Servings
Amino acid/Protein
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)

Other Ingredients

None
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 1/4 level teaspoon daily, preferably with meals.

Warnings & Precautions

Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of the reach of children.

Do not use if safety seal is broken or missing.

Formulation Notes

L-Lysine is an essential amino acid that cannot be manufactured by the body and must be obtained through the diet or by supplementation. 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. Certain research publications indicate that L-Lysine may help support the following: Support healthy calcium absorption. Supports healthy immune system. Supports healthy cardiovascular function.

Premium formula

3rd party lab tested

No artificial color, flavor or sweetener, no preservatives, no sugar, no starch, no corn, no soy, no egg, no milk, no lactose, no gluten, no wheat, no yeast, no fish. Sodium free.

Additional Information

Keep in cool, dry place.

Bottled in USA

GMP Good Manufacturing Practice Product

For additional information call: 1-877-659-6004

Metadata

Product Details

UPC / SKU8 17716 01457 9
DSLD Entry Date2022-06-16
Product TypeAmino acid/Protein
FormPowder
DSLD ID270641
Data Updated2026-04-11
Research

Research Evidence

3
Research Sources
74
Avg Quality
3
Meta Analysis
A Antifibrinolytics (lysine analogues) for the prevention of bleeding in people with haematological disorders
Meta Analysis The Cochrane database of systematic reviews 2026 PubMed DOI
B Antifibrinolytics (lysine analogues) for the prevention of bleeding in people with haematological disorders
Meta Analysis The Cochrane database of systematic reviews 2016 PubMed DOI
B Antifibrinolytics (lysine analogues) for the prevention of bleeding in patients with haematological disorders
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
View all evidence for Lysine →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.