Nature's Truth L-Lysine, 1,000 mg, 100 Coated Caplets supplement bottle
Nature's Truth

L-Lysine, 1,000 mg, 100 Coated Caplets

What We Researched
1 active ingredient analyzed · 7 inactive ingredients decoded · 3 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
84
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Lysine (Free Form) (From L-Lysine Hydrochloride) (1 g) 1,000 mg *
Bioavailability Excellent

Absorption Rating

  • L-Lysine (Free Form) (From L-Lysine Hydrochloride) (1 g) Good
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Cellulose (Plant Origin)
  • Vegetable Stearic Acid
  • Croscarmellose
  • Vegetable Magnesium Stearate
  • Silica
  • Cellulose Coating
Efficacy Excellent

Dosage Analysis

  • L-Lysine (Free Form) (From L-Lysine Hydrochloride) (1 g) 1,000 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Lysine (Free Form) (From L-Lysine Hydrochloride) (1 g) 1,000 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.

Cellulose (Plant Origin) Safe

It is used as a filler, binder, or thickener.

Vegetable Stearic Acid Generally_safe

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

Croscarmellose Generally_safe

It is used as a binder and disintegrant to help tablets dissolve.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Cellulose Coating Generally_safe

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

Price Comparison

iHerb $14.35 $0.14 / serving
Best Price
Target $14.49 $0.14 / serving

Price History

Tracked across major retailers. Updated periodically.

$16$15$14$13$12 Mar 12 $14.00
iHerb

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

Brand Trust Report
Nature's Truth

Founded 2014 · Bohemia, NY, United States · 233 products · naturestruth.com/

Certifications

3 certifications
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source

Violation History

5 incidents
Lawsuit Misleading labeling regarding the amount of magnesium in 'CALM GUMMIES Magnesium Supplement'.2024Source
Prop 65 Lead2021-09-13Source
Recall Lavender Body Cream2021-06-17Source
Fda Warning Public health warning against the purchase and consumption of an unregistered food supplement (High Potency Selenium 200mcg).2020-03-05Source
Recall Wintergreen 100% Pure Essential Oil2019-07-03Source
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Frequently Asked Questions
Is Nature's Truth L-Lysine, 1 a good supplement?

Nature's Truth L-Lysine, 1,000 mg, 100 Coated Caplets 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 100 servings per container. Of the 7 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Nature's Truth, holds a brand trust score of 84/100 with 3 verified certifications including Fda Gmp Inspections, Nsf Gmp, Usda Organic.

What are the ingredients in Nature's Truth L-Lysine, 1?

Nature's Truth L-Lysine, 1 contains 1 active ingredients: L-Lysine (Free Form) (From L-Lysine Hydrochloride) (1 g) (1,000 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Truth L-Lysine, 1 safe to take?

Nature's Truth L-Lysine, 1,000 mg, 100 Coated Caplets 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 Nature's Truth a trustworthy supplement brand?

Nature's Truth receives a brand trust score of 84/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2014 and headquartered in Bohemia, NY, United States, the company offers 233 products in their lineup. They hold 3 verified certifications including Fda Gmp Inspections, Nsf Gmp, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Truth has 5 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.