L-Lysine 1,000 mg Review
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| L-Lysine Hydrochloride | 1 g | † |
Bioavailability Excellent
Absorption Rating
- L-Lysine Hydrochloride Good
Other Ingredients Excellent
Fillers & Additives
- Stearic Acid
- Sorbitol
- Colloidal Silicon Dioxide
- Modified Cellulose Gum
- Magnesium Stearate
Efficacy Excellent
Dosage Analysis
- L-Lysine Hydrochloride 1 g Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Calories | 5 kcal | |
| L-Lysine Hydrochloride | 1 g | † |
Other Ingredients
Stearic Acid Safe
Sorbitol Safe
Colloidal Silicon Dioxide Generally_safe
Modified Cellulose Gum Generally_safe
Magnesium Stearate Safe
Certifications
2 certifications
Is Source Naturals L-Lysine 1,000 mg a good supplement?
Source Naturals L-Lysine 1,000 mg received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 50 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Source Naturals, holds a brand trust score of 75/100.
What are the ingredients in Source Naturals L-Lysine 1,000 mg?
Source Naturals L-Lysine 1,000 mg contains 2 active ingredients: Calories (5 kcal), L-Lysine Hydrochloride (1 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Source Naturals L-Lysine 1,000 mg safe to take?
GoodSupp reviewed the inactive-ingredient data available for Source Naturals L-Lysine 1,000 mg. All 5 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is Source Naturals a trustworthy supplement brand?
Source Naturals receives a brand trust score of 75/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 1511 products in their lineup.
Scan Any Supplement Instantly
Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.