Leader L-Lysine Tablets, 500 mg, Dietary Supplement supplement bottle
Leader

L-Lysine Tablets, 500 mg, Dietary Supplement

What We Researched
1 active ingredient analyzed · 10 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
50
Product Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Lysine (as L-Lysine Hydrochloride) 500.0 mg †
Bioavailability Excellent

Absorption Rating

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

Fillers & Additives

  • Microcrystalline Cellulose
  • Dicalcium Phosphate
  • Stearic Acid
  • Croscarmellose Sodium
  • Silica
  • Hypromellose
  • Polydextrose
  • Titanium Dioxide High
  • Talc High
  • Vegetable Magnesium Stearate And Triglycerides
Efficacy Very Poor

Dosage Analysis

  • L-Lysine (as L-Lysine Hydrochloride) 500.0 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
L-Lysine (as L-Lysine Hydrochloride) 500.0 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

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

Dicalcium Phosphate Safe

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

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Polydextrose Generally_safe

It is used as a filler, to add bulk, and as a prebiotic fiber.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Talc Avoid

It is used to improve powder flow and prevent clumping.

Vegetable Magnesium Stearate And Triglycerides Unknown

Price Comparison

Target $10.48 $10.48 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$12$11$10$9$8 $10.48
Target

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

Brand Trust Report
Leader

· 2 products

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Frequently Asked Questions
Is Leader L-Lysine Tablets, 500 mg a good supplement?

Leader L-Lysine Tablets, 500 mg, Dietary Supplement received a product quality score of 50/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 1 active ingredients with 1 servings per container. Of the 10 inactive ingredients, 6 are rated safe and 1 are flagged for review.

What are the ingredients in Leader L-Lysine Tablets, 500 mg?

Leader L-Lysine Tablets, 500 mg contains 1 active ingredients: L-Lysine (as L-Lysine Hydrochloride) (500.0 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Leader L-Lysine Tablets, 500 mg safe to take?

Leader L-Lysine Tablets, 500 mg, Dietary Supplement has been analyzed for ingredient safety across all its components. Of 10 inactive ingredients, 6 are rated safe. 1 ingredient is flagged for review: Titanium Dioxide. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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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.