BlueBonnet L-Lysine, 1000 mg, 100 Caplets supplement bottle
BlueBonnet

L-Lysine, 1000 mg, 100 Caplets Review

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 6 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
98
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Lysine (free-form L-lysine HCI) 1000 mg *
Bioavailability Excellent

Absorption Rating

  • L-Lysine (free-form L-lysine HCI) Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose
  • Vegetable Magnesium Stearate
  • Silica
  • Stearic Acid
  • Vegetable Glaze
Efficacy Excellent

Dosage Analysis

  • L-Lysine (free-form L-lysine HCI) 1000 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Lysine (free-form L-lysine HCI) 1000 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Vegetable Magnesium Stearate Safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Vegetable Glaze Generally_safe

It is used to provide a shiny coating and protect the supplement.

Brand Trust Report
BlueBonnet

Founded 1991 · Sugar Land, Texas, United States · 734 products · bluebonnetnutrition.com/

Certifications

6 certifications
Non Gmo Project Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source
IGEN Non-GMO Tested Verified
NSF Certified Verified

Transparency

5 claims
Third Party Testing Claim — Claimed Unverifiable Source
Testing Lab Disclosure — Claimed
In House Testing — Claimed Unverifiable Source
Contains Proprietary Blend — True

Violation History

8 incidents
Recall EarthSweet® Chewable Cellular Active® Methylfolate 1000 mcgUnknownSource
Prop 65 Lead2016-08-29Source
Lawsuit Allegedly falsely promoting liquid vitamin B supplements as containing various amounts of B vitamins when they did not.2016Source
Lawsuit Falsely promoting its liquid vitamin B supplements as containing different amounts of B vitamins than they actually did.2016Source
Prop 65 Lead2015-12-16Source
Lawsuit Allegedly falsely advertised a Betaine supplement as 'derived from beets' when it was claimed to be synthetic.2014Source
Lawsuit Deceptively marketing Bluebonnet Chelated Magnesium by not listing magnesium oxide as an ingredient.2014Source
Lawsuit Falsely advertising a Betaine supplement as 'derived from beets' when it was allegedly created synthetically.2014Source
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Frequently Asked Questions
Is BlueBonnet L-Lysine, 1000 mg a good supplement?

BlueBonnet L-Lysine, 1000 mg, 100 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 5 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, BlueBonnet, holds a brand trust score of 98/100 with 6 verified certifications including Non Gmo Project, Nsf Gmp, Usda Organic, Fda Gmp Inspections.

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

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

Is BlueBonnet L-Lysine, 1000 mg safe to take?

BlueBonnet L-Lysine, 1000 mg, 100 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 BlueBonnet a trustworthy supplement brand?

BlueBonnet receives a brand trust score of 98/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1991 and headquartered in Sugar Land, Texas, United States, the company offers 734 products in their lineup. They hold 6 verified certifications including Non Gmo Project, Nsf Gmp, Usda Organic, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: BlueBonnet has 8 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 — read our methodology. 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.