Sundown Naturals
L-Lysine 500 mg
Avoid-flaggedObjective label signals
Flagged excipients
1
1 avoid · 0 caution
FDA recalls
0
no recall history
CAERS reports
37
FDA consumer events
Certifications
0
none recorded
1 avoid-level excipient · Every flag below links to the authority's published citation.
Supplement Facts
1 active ingredients| Ingredient | Amount | % DV |
|---|---|---|
| Lysine UNII · K3Z4F929H6 | 500 mg | — |
Flagged excipients
1 flagged · authority citations
- ● AVOIDTitanium Dioxide colorcolor
Banned in EU food products effective 2022-08 (Commission Regulation (EU) 2022/63) following EFSA Panel opinion that a safe daily intake could not be established due to genotoxicity concerns. Still GRAS in the US under 21 CFR 73.575 but EU position is stricter.
FDA CAERS · adverse event context
37
consumer-submitted adverse event reports filed with the FDA CFSAN Adverse Event Reporting System mentioning this product or its brand.
CAERS reports are unverified consumer submissions — not adjudicated causality. Large well-known brands accumulate proportionally more reports simply due to broader use. About CAERS →
Other ingredients
Vegetable Cellulose · Silica · Vegetable Magnesium Stearate
Chemically equivalent
Same formula, different brand
Products with identical sorted (ingredient, amount) tuples.
- Pure Encapsulations→L-Lysine
- GNC→L-Lysine 500
- GNC→L-Lysine 500
- Viva Vitamins→L-Lysine 500 mg
- Viva Vitamins→L-Lysine 500 mg
- Vitamin World→L-Lysine Viraguard 500 mg
- PhysioLogics→L-Lysine 500 mg
- Nature's Bounty→L-Lysine 500 mg
- Douglas Laboratories→L-Lysine 500 mg
- VitaCeutical Labs→L-Lysine 500 mg
- Vital Nutrients→Lysine 500 mg
- Vitabase→L-Lysine 500 mg
- Windmill→L-Lysine HCl 500 mg
- Equaline→L-Lysine 500 mg
- Longs Wellness→Natural L-Formula Lysine 500 mg
- Sunmark→Natural L-Lysine 500 mg
- Bronson Laboratories→L-Lysine 500 mg
- Bronson Laboratories→L-Lysine 500 mg
- Douglas Laboratories→L-Lysine 500 mg
- Douglas Laboratories→L-Lysine 500 mg