Up&Up L-Lysine 1000 mg supplement bottle
Up&Up

L-Lysine 1000 mg Review

What We Researched
2 active ingredients analyzed · 6 inactive ingredients decoded · 3 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
76
Brand Score Fair

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 1 g †
Bioavailability Excellent

Absorption Rating

  • L-Lysine Good
Other Ingredients Excellent

Fillers & Additives

  • L-Lysine Hydrochloride
  • Microcrystalline Cellulose
  • Dicalcium Phosphate
  • Stearic Acid
  • Calcium Silicate
  • Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • L-Lysine 1 g Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 5 kcal
L-Lysine 1 g †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

L-Lysine Hydrochloride Unknown
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.

Calcium Silicate Safe

Prevents ingredient clumping during manufacturing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Brand Trust Report
Up&Up

Founded 2009 · Minneapolis, Minnesota, United States · 295 products · target.com/b/up-up/-/N-5v60y

Certifications

3 certifications
Nsf Gmp Verified Source
NSF Contents Certified Verified
Gluten-Free Certified Verified

Transparency

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

Violation History

6 incidents
Lawsuit Failure to disclose the presence of heavy metals in prenatal vitamins.2022Source
Lawsuit Failure to disclose the presence of heavy metals in prenatal vitamins.2022Source
Recall Up and Up Childrens Acetaminophen2021-10-26Source
Lawsuit Deceptively marketing biotin supplements with unsubstantiated health claims.2017Source
Lawsuit Falsely marketing the health benefits of biotin supplements.2017Source
Recall Up&Up Multipurpose Solution2010-12-22Source
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Frequently Asked Questions
Is Up&Up L-Lysine 1000 mg a good supplement?

Up&Up 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 2 active ingredients with 100 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Up&Up, holds a brand trust score of 76/100 with 3 verified certifications including Nsf Gmp, NSF Contents Certified, Gluten-Free Certified.

What are the ingredients in Up&Up L-Lysine 1000 mg?

Up&Up L-Lysine 1000 mg contains 2 active ingredients: Calories (5 kcal), L-Lysine (1 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Up&Up L-Lysine 1000 mg safe to take?

Up&Up 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 Up&Up a trustworthy supplement brand?

Up&Up receives a brand trust score of 76/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2009 and headquartered in Minneapolis, Minnesota, United States, the company offers 295 products in their lineup. They hold 3 verified certifications including Nsf Gmp, NSF Contents Certified, Gluten-Free Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Up&Up has 6 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.