Spring Valley L-Lysine 1000 mg supplement bottle
Spring Valley

L-Lysine 1000 mg Review

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 3 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
58
Brand Score Poor

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 (as L-Lysine Hydrochloride) 1 g
Bioavailability Excellent

Absorption Rating

  • L-Lysine (as L-Lysine Hydrochloride) Good
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Croscarmellose Sodium
  • Vegetable Magnesium Stearate
  • Vegetable Stearic Acid
  • Silica
Efficacy Excellent

Dosage Analysis

  • L-Lysine (as L-Lysine Hydrochloride) 1 g Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Lysine (as L-Lysine Hydrochloride) 1 g

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Vegetable Magnesium Stearate Safe

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

Vegetable Stearic Acid Generally_safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
Spring Valley

· Bentonville, Arkansas, United States · 541 products · walmart.com/cp/spring-valley/1079329

Certifications

3 certifications
IGEN Non-GMO Tested Verified
USDA Organic Verified
Non-GMO Project Verified Verified

Transparency

2 claims
Contains Proprietary Blend — True

Violation History

1 incident
Lawsuit Mislabeled Glucosamine Sulfate products.2017Source
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Frequently Asked Questions
Is Spring Valley L-Lysine 1000 mg a good supplement?

Spring Valley L-Lysine 1000 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 1 active ingredients Of the 5 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Spring Valley, holds a brand trust score of 58/100 with 3 verified certifications including IGEN Non-GMO Tested, USDA Organic, Non-GMO Project Verified.

What are the ingredients in Spring Valley L-Lysine 1000 mg?

Spring Valley L-Lysine 1000 mg contains 1 active ingredients: L-Lysine (as L-Lysine Hydrochloride) (1 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Spring Valley L-Lysine 1000 mg safe to take?

Spring Valley L-Lysine 1000 mg 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 Spring Valley a trustworthy supplement brand?

Spring Valley receives a brand trust score of 58/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. the company offers 541 products in their lineup. They hold 3 verified certifications including IGEN Non-GMO Tested, USDA Organic, Non-GMO Project Verified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Spring Valley has 1 historical regulatory incident 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.