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C/Lysine Plus

product on market Capsule Douglas Laboratories 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

Vitamin C and L-lysine are commonly used to support immune function and may help reduce the duration of cold sores. Research provides moderate evidence for their efficacy in managing recurrent herpes simplex outbreaks. These ingredients are generally well-tolerated and maintain a high safety profile.

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

Label

Product Label

Label for C/Lysine Plus
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Vegetarian Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
2000 mg (2222% DV)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)

Other Ingredients

Hydroxypropyl Methylcellulose Hydroxypropyl Cellulose Ascorbyl Palmitate Citrus Bioflavonoids Microcrystalline Cellulose
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: Adults take 4 capsules 1-2 times daily or as directed by a health professional.

Warnings & Precautions

Warning: If you are pregnant, nursing, have any health condition or taking any medication, consult your health professional before using this product.

Keep out of the reach of children.

Use only if safety seal is intact.

Formulation Notes

Gluten-free, Non-GMO

Connective tissue and collagen health

Additional Information

Store in a cool, dry place.

Scan to learn about our manufacturing excellence Contents may not fill package in order to accommodate required labeling. Please rely on stated quantity.

Metadata

Product Details

UPC / SKU3 10539 00339 8
DSLD Entry Date2020-08-23
Product TypeOther Combinations
FormCapsule
DSLD ID232242
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
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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.