Bulletproof Brain Octane C8 MCT Oil Review

Bulletproof Brain Octane C8 MCT Oil, Non-GMO, 16 oz is sold as a 16 fluid ounce bottle containing 100% C8 from coconut, described on this page as 100% pure coconut oil, triple-distilled keto energy supplement for coffee and smoothies, unflavored, with no additives and non-GMO. The page's about section says the product is premium and highly ketogenic, containing one 16-ounce bottle, and calls it the purest form of MCT oil available for the highest quality and longest-lasting energy boost. The Triple-Steam Distillation bullet states that the caprylic acid C8 MCT oil is composed of 100% medium-chain triglycerides harvested from the most ketogenic part of the coconut. Quick and long-lasting energy is described as C8 MCT oil turning into ketones within minutes, with ketones quickly crossing the blood-brain barrier to be used as a fuel source for brain cells, giving steady energy. The supports metabolism bullet says C8 MCT oil jumpstarts a metabolism-boosting journey and cognitive function, and that C8 produces 4x the ketone energy of plain coconut oil. The purity bullet says Bulletproof uses science-backed ingredients and suggests blending the oil into Bulletproof Coffee or adding it to soups, smoothies, and more. It advises starting small to help the stomach adjust, using 1 tsp and then building to the full 1 tbsp serving. The item details list brand Bulletproof, flavor unflavored, primary supplement type medium-chain triglycerides, item form liquid, diet type keto, and product benefits including brain health support, energy management, metabolism management, and weight loss support. The container type is bottle and the color is clear, with a 16 fluid ounce unit count, item weight 454 g, dimensions 2.5 x 2.5 x 7.37 inches, and 32 total servings per container. Material features listed are GMO free, no artificial colors, and no artificial flavors. The specific uses listed are mental performance, weight management, and ketogenic diet, with allergen information stating gluten free and recommended use brain health. The page also shows a USDA Organic sustainability badge in its sustainability section. The item is sold by Bulletproof 360 and shipped by Amazon at $29.99, and is non-returnable due to food safety reasons.

Product Focus: Focus and MemoryAlso covers:BrainDigestionMetabolism
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$28

Study, Trial or Testing Result Summary

MembersHuman studies

This product supplies 14 grams of caprylic acid triglycerides per serving. That is a medium chain fat taken from refined coconut oil and sold to support mental clarity and focus. …

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Review Totals and Summary

Members35,020 reviews
35,020 reviews · Amazon 31,271 · Walmart 2,074 · Bulletproof 1,171 · Heb 503 · Bruvi 1

Bulletproof Brain Octane C8 MCT Oil has garnered attention across stores, with about 34517 ratings. Of the reviews that include star ratings, a are 4 or 5 stars, indicating customer . …

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Biohacker Summary

MembersWhat our biohacker panel says

The only ingredient the panel spoke about here is caprylic acid, and it is a smaller ingredient in this product, so the paragraph is brief. The reasons given are quick, steady mental energy, ketones on a carb diet, and its antimicrobial and antifungal , including for candida and gut balance. …

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RAL Summary

MembersThe tier and why

More Details

MembersBody systems · Combine with · Possible side effects

Body systems: Nervous system, Digestive system, Metabolic system. Combine with and possible side are for members.

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Supplement Facts

Caprylic Acid Triglycerides 14 g
Supplement Facts
Serving Size 1 Tbsp (15mL)
Servings Per Container About 32
Amount Per Serving% Daily Value
Calories130
Total Fat14 g18%
Saturated Fat14 g70%
Caprylic Acid Triglycerides14 g†
* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value not established.

Other ingredients: Ingredients: Caprylic acid triglycerides from highly refined coconut oil.

Directions: Directions: Start small to help your stomach adjust. Use 1 tsp, then build to the full 1 Tbsp serving.

Label source: Bulletproof · Report a label change

Where to Buy

Bulletproof · Amazon · Wholefoodsmarket
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Our articles on this subject

Graded October 26, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.