Best Naturals Grassfed Beef Liver, 250 Capsules supplement bottle
Best Naturals

Grassfed Beef Liver, 250 Capsules

What We Researched
2 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
90
Product Score Excellent
67
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Beef Liver Powder (Bovine) 4,500 mg *
Black Pepper Extract (Piper Nigrum) (Fruit) 15 mg *
Bioavailability Very Good

Absorption Rating

  • Beef Liver Powder (Bovine) Fair
  • Black Pepper Extract (Piper Nigrum) (Fruit) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Magnesium stearate capsule (gelatin)
  • (vegetable source)
  • Silicon Dioxide
Efficacy Very Good

Dosage Analysis

  • Beef Liver Powder (Bovine) 4,500 mg High
  • Black Pepper Extract (Piper Nigrum) (Fruit) 15 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Beef Liver Powder (Bovine) 4,500 mg *
Black Pepper Extract (Piper Nigrum) (Fruit) 15 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.

Magnesium stearate capsule (gelatin) Unknown
(vegetable source) Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$24$22$21$19$18 Mar 12 $21.51$19.99
iHerb
Vitacost

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

Brand Trust Report
Best Naturals

Founded 2012 · Piscataway, New Jersey, USA · 129 products · shopbestnaturals.com

Certifications

1 certification
Consumerlab Verified Source

Transparency

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

Violation History

2 incidents
Prop 65 Lead and lead compounds2021-12-29Source
Lawsuit Falsely advertising krill oil supplements that allegedly contain no krill.2021Source
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Frequently Asked Questions
Is Best Naturals Grassfed Beef Liver, 250 Capsules a good supplement?

Best Naturals Grassfed Beef Liver, 250 Capsules received a product quality score of 90/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 41 servings per container. Of the 4 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Best Naturals, holds a brand trust score of 67/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Best Naturals Grassfed Beef Liver, 250 Capsules?

Best Naturals Grassfed Beef Liver, 250 Capsules contains 2 active ingredients: Beef Liver Powder (Bovine) (4,500 mg), Black Pepper Extract (Piper Nigrum) (Fruit) (15 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Best Naturals Grassfed Beef Liver, 250 Capsules safe to take?

Best Naturals Grassfed Beef Liver, 250 Capsules 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 Best Naturals a trustworthy supplement brand?

Best Naturals receives a brand trust score of 67/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Piscataway, New Jersey, USA, the company offers 129 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Best Naturals has 2 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.