ThermoFuel V9
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 |
|---|---|
| Acetyl L-Carnitine HPLC | 625 mg |
| Green Tea Leaf Extract | 500 mg |
| L-Tyrosine HPLC | 500 mg |
| Epigallocatechin Gallate | 225 mg |
| Caffeine133 systematic reviews · 550 randomised trials | 200 mg |
| Synephrine | 60 mg |
| Banaba Leaf Extract | 60 mg |
| Cayenne Pepper | 50 mg |
| Theobromine HPLC | 50 mg |
Certifications & Testing
Other Ingredients
Capsule
Recommended Use
Suggested Use: To assess your tolerance, take 2 capsules with 8 oz of water once per day. Once your tolerance has been assessed, take 3 capsules 2 times daily 30-60 minutes before meals. For best results for 8-12 weeks in conjunction with a calorie-reduced diet and regular exercise. Consume 8-10 glasses of water daily. Do not snack between meals.
Warnings
If you are sensitive to caffeine, do not take within 5 hours of bedtime. Warning: Not to be used by persons under the age of 18. Do not use if you are pregnant or breast feeding. Consult your physician prior to use if you have any medical condition, including but not limited to high blood pressure, cardiac arrhythmia, myocardial infarction, stroke, diabetes, hypoglycemia, or heart, liver, kidney o
Frequently Asked Questions
What is NutraBio ThermoFuel V9's Formulate score?
NutraBio ThermoFuel V9 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 NutraBio ThermoFuel V9 worth it?
NutraBio ThermoFuel V9 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 NutraBio ThermoFuel V9?
Each serving contains Acetyl L-Carnitine HPLC (625 mg), Green Tea Leaf Extract (500 mg), L-Tyrosine HPLC (500 mg), Epigallocatechin Gallate (225 mg), and more. Serving size: 3 Vegetable Capsule(s). 60 servings per container.
How do I take thermofuel v9?
Suggested Use: To assess your tolerance, take 2 capsules with 8 oz of water once per day. Once your tolerance has been assessed, take 3 capsules 2 times daily 30-60 minutes before meals. For best results for 8-12 weeks in conjunction with a calorie-reduced diet and regular exercise. Consume 8-10 glasses of water daily. Do not snack between meals.
Who makes ThermoFuel V9?
ThermoFuel V9 is made by NutraBio. See Formulate's full grade and product lineup for NutraBio on its brand page.
Is NutraBio ThermoFuel V9 third-party tested?
NutraBio lists the following certifications and testing for this product: Vegetarian, Gluten-Free, Dairy-Free, Sugar-Free.
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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.