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L-Lysine 600 mg

product on market Tablet or Pill 21st Century Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

L-lysine is an essential amino acid used in research to support protein synthesis and manage cold sore outbreaks, though evidence for general wellness is limited. Calcium serves as a critical mineral for bone health and cellular function. Overall, clinical evidence coverage for this specific formulation is very low.

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

Label

Product Label

Label for L-Lysine 600 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

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

Other Ingredients

Cellulose Contains Less Than 2% of
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage.

Warnings & Precautions

Do not exceed recommended dosage.

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

Formulation Notes

No added Sugar, Yeast, Preservatives, or Artificial Flavors.

Gluten free

L-Lysine is an essential amino acid which must be supplied from nutritional sources and is a building block of protein.

Additional Information

Individual results may vary.

Store at room temperature.

Skin and Tissue Support

Gluten free

Guaranteed quality Laboratory tested

Metadata

Product Details

UPC / SKU7 40985 21062 8
DSLD Entry Date2019-08-23
Product TypeOther Combinations
FormTablet or Pill
Brand21st Century
DSLD ID205561
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.