Left Coast Performance Bovine Thyroid with Beef Liver, 30 Capsules supplement bottle
Left Coast Performance

Bovine Thyroid with Beef Liver, 30 Capsules

What We Researched
2 active ingredients analyzed · 1 inactive ingredient decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
81
Product Score Good
61
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Bovine Liver Powder 300 mg
Bovine Thyroid Powder 200 mg
Bioavailability Fair

Absorption Rating

  • Bovine Liver Powder Fair
  • Bovine Thyroid Powder Fair
Other Ingredients Excellent

Fillers & Additives

  • Gelatin (Capsule)
Efficacy Very Good

Dosage Analysis

  • Bovine Thyroid Powder 200 mg High

Supplement Facts

Ingredient Amount % Daily Value
Bovine Liver Powder 300 mg
Bovine Thyroid Powder 200 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin (Capsule) Safe

It is used as a material for making capsules.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$18$17$16$15$14 Mar 12 $16.00
iHerb

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

Brand Trust Report
Left Coast Performance

Founded 2020 · St. Petersburg, FL, USA · 20 products · leftcoastperformance.com/

Certifications

1 certification
Usda Organic Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed

Violation History

1 incident
Prop 65 Lead2024-11-18Source
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Frequently Asked Questions
Is Left Coast Performance Bovine Thyroid with Beef Liver, 30 Capsules a good supplement?

Left Coast Performance Bovine Thyroid with Beef Liver, 30 Capsules received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients with 30 servings per container. All 1 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Left Coast Performance, holds a brand trust score of 61/100 with 1 verified certifications including Usda Organic.

What are the ingredients in Left Coast Performance Bovine Thyroid with Beef Liver, 30 Capsules?

Left Coast Performance Bovine Thyroid with Beef Liver, 30 Capsules contains 2 active ingredients: Bovine Liver Powder (300 mg), Bovine Thyroid Powder (200 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Left Coast Performance Bovine Thyroid with Beef Liver, 30 Capsules safe to take?

Left Coast Performance Bovine Thyroid with Beef Liver, 30 Capsules has been analyzed for ingredient safety across all its components. All 1 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Left Coast Performance a trustworthy supplement brand?

Left Coast Performance receives a brand trust score of 61/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2020 and headquartered in St. Petersburg, FL, USA, the company offers 20 products in their lineup. They hold 1 verified certifications including Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Left Coast Performance 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. 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.