L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60 Veggie Caps
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| L-Carnitine Fumarate | 855 mg |
Certifications & Testing
Other Ingredients
Modified Cellulose, Magnesium Stearate, Silicon Dioxide
Recommended Use
Suggested Adult Use: Take 1 capsule daily with or without food, or more as recommended by a nutritionally-informed physician.
Warnings
Individuals with thyroid problems or on anti-coagulant therapy should consult their physician before using this product.
Frequently Asked Questions
What is Doctor's Best L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60 Veggie Caps's Formulate score?
Doctor's Best L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60 Veggie Caps scores 80 out of 100 (grade A-) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Doctor's Best L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60 Veggie Caps worth it?
Doctor's Best L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60 Veggie Caps scores 80/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Doctor's Best L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60 Veggie Caps?
Each serving contains L-Carnitine Fumarate (855 mg). Serving size: 1 Veggie Capsule(s). 60 servings per container.
How do I take l-carnitine fumarate with biosint carnitines, 855 mg, 60 veggie caps?
Suggested Adult Use: Take 1 capsule daily with or without food, or more as recommended by a nutritionally-informed physician.
Who makes L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60 Veggie Caps?
L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60 Veggie Caps is made by Doctor's Best. See Formulate's full grade and product lineup for Doctor's Best on its brand page.
Is Doctor's Best L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60 Veggie Caps third-party tested?
Doctor's Best lists the following certifications and testing for this product: Non-GMO, Gluten-Free, Vegan, Vegetarian.
Related Supplements
Track l-carnitine fumarate with biosint carnitines, 855 mg, 60 veggie caps in your stack
Build a personalized supplement stack free in your browser — no install. Flag dose overlaps and interactions, and keep every product scored against the latest evidence.
Is L-Carnitine Fumarate with Biosint Carnitines, 855 mg, 60 Veggie Caps right for your goals?
Two questions, then every ingredient graded against what you're actually trying to do — plus what it costs per effective dose.
Build my stack2 questions · free · no account needed to start
Also on iPhone — get the free app
Evidence-based supplement guides, no spam
We send a short digest when new guides drop — nothing else. No affiliate pushes, no sponsored content, unsubscribe anytime.
Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.