Proline & Lysine, 120 Tablets
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin C (as calcium ascorbate and ascorbic acid) | 1,000 mg | 1,111% |
| Calcium (from calcium ascorbate) | 66 mg | 5% |
| Magnesium (as magnesium citrate) | 46 mg | 11% |
| L-Lysine (as L-lysine hydrochloride) | 1.1 g | † |
| L-Proline | 1.1 g | † |
| Grape Seed Extract (Proanthodyn™) With a Procyanidolic Value of 95 | 100 mg | † |
| Hawthorn Berry Extract | 100 mg | † |
Bioavailability Excellent
Absorption Rating
- Vitamin C (as calcium ascorbate and ascorbic acid) Good
- Calcium (from calcium ascorbate) Good
- Magnesium (as magnesium citrate) Good
- L-Lysine (as L-lysine hydrochloride) Good
- L-Proline Good
- Grape Seed Extract (Proanthodyn™) With a Procyanidolic Value of 95 Good
- Hawthorn Berry Extract Fair
Other Ingredients Excellent
Fillers & Additives
- Microcrystalline Cellulose
- Sorbitol
- Stearic Acid
- Silica
- Magnesium Stearate
Efficacy Fair
Dosage Analysis
- Vitamin C (as calcium ascorbate and ascorbic acid) 1,000 mg Effective
- Calcium (from calcium ascorbate) 66 mg Under-dosed
- Magnesium (as magnesium citrate) 46 mg Under-dosed
- L-Lysine (as L-lysine hydrochloride) 1.1 g Effective
- L-Proline 1.1 g Effective
- Grape Seed Extract (Proanthodyn™) With a Procyanidolic Value of 95 100 mg Under-dosed
- Hawthorn Berry Extract 100 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Calories | 20 | |
| Total Carbohydrate | 2 g | 1%* |
| Dietary Fiber | 1 g | 4%* |
| Vitamin C (as calcium ascorbate and ascorbic acid) | 1,000 mg | 1,111% |
| Calcium (from calcium ascorbate) | 66 mg | 5% |
| Magnesium (as magnesium citrate) | 46 mg | 11% |
| L-Lysine (as L-lysine hydrochloride) | 1.1 g | † |
| L-Proline | 1.1 g | † |
| Grape Seed Extract (Proanthodyn™) With a Procyanidolic Value of 95 | 100 mg | † |
| Hawthorn Berry Extract | 100 mg | † |
Other Ingredients
Price Comparison
Price History
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Is Source Naturals Proline & Lysine, 120 Tablets a good supplement?
Source Naturals Proline & Lysine, 120 Tablets received a product quality score of 83/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 10 active ingredients with 30 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 66/100 with 1 verified certifications including Fda Gmp Inspections.
What are the ingredients in Source Naturals Proline & Lysine, 120 Tablets?
Source Naturals Proline & Lysine, 120 Tablets contains 10 active ingredients: Calories (20), Total Carbohydrate (2 g), Dietary Fiber (1 g), Vitamin C (as calcium ascorbate and ascorbic acid) (1,000 mg), Calcium (from calcium ascorbate) (66 mg), Magnesium (as magnesium citrate) (46 mg), and 4 more. Notable high-dose ingredients include Vitamin C at 1,111% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Source Naturals Proline & Lysine, 120 Tablets safe to take?
Source Naturals Proline & Lysine, 120 Tablets has been analyzed for ingredient safety across all its components. All 5 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. 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 66/100 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 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.
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