Best Naturals L-Lysine, 1000 mg, 180 Tablets supplement bottle
Best Naturals

L-Lysine, 1000 mg, 180 Tablets

What We Researched
1 active ingredient analyzed · 7 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
67
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Lysine HCL 1000 mg *
Bioavailability Excellent

Absorption Rating

  • L-Lysine HCL Good
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Microcrystalline Cellulose
  • Croscarmellose Sodium
  • Stearic Acid (Vegetable Source)
  • Magnesium Stearate (Vegetable Source)
  • Silicon Dioxide
  • Pharmaceutical Glaze
Efficacy Excellent

Dosage Analysis

  • L-Lysine HCL 1000 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Lysine HCL 1000 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Stearic Acid (Vegetable Source) Generally_safe

It is used as a lubricant and release agent.

Magnesium Stearate (Vegetable Source) Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Pharmaceutical Glaze Generally_safe

It is used to coat tablets or capsules for easier swallowing or controlled release.

Price Comparison

Vitacost $9.59 $0.05 / serving
Best Price
Target $9.99 $0.06 / serving

Price History

Tracked across major retailers. Updated periodically.

$12$11$10$9$8 Mar 12 $9.59
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Best Naturals

Founded 2012 · Piscataway, New Jersey, USA · 129 products · shopbestnaturals.com

Certifications

1 certification
Consumerlab Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

2 incidents
Prop 65 Lead and lead compounds2021-12-29Source
Lawsuit Falsely advertising krill oil supplements that allegedly contain no krill.2021Source
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Frequently Asked Questions
Is Best Naturals L-Lysine, 1000 mg a good supplement?

Best Naturals L-Lysine, 1000 mg, 180 Tablets 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 1 active ingredients with 180 servings per container. Of the 7 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Best Naturals, holds a brand trust score of 67/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Best Naturals L-Lysine, 1000 mg?

Best Naturals L-Lysine, 1000 mg contains 1 active ingredients: L-Lysine HCL (1000 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Best Naturals L-Lysine, 1000 mg safe to take?

Best Naturals L-Lysine, 1000 mg, 180 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Best Naturals a trustworthy supplement brand?

Best Naturals receives a brand trust score of 67/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Piscataway, New Jersey, USA, the company offers 129 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Best Naturals has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.