Price: $14.99
(as of Apr 24, 2026 09:54:42 UTC – Details)
BPI Sports B4 is a powerful once-daily fat burner formulated with caffeine, Niacin, Quercetin, and Yohimbine to support clean energy, mental focus, and weight loss fast. More effective than ordinary fat burner pills for women and men, these extra-strength capsules deliver a targeted edge to help you see better results from your training and diet routine. Whether you’re on a keto diet, low-carb plan, or just focused on burning calories, B4 helps boost metabolism, enhance mood, and support overall fat loss supplements goals. It also doubles as a pre workout for improved endurance.* B4 can be taken in the morning, before workouts, or for a midday boost—making it a flexible choice among the best fat burner for men weight loss and fat burners for women weight loss. For optimal results, take one capsule on an empty stomach or as advised by a healthcare provider. On training days, use 20–30 minutes before exercise. BPI Sports B4 is backed by a full satisfaction guarantee. If you don’t find it among the most effective fat burners in your journey, we’ll refund you—no questions asked. *These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.
Is Discontinued By Manufacturer : No
Product Dimensions : 2.25 x 2 x 4.25 inches; 1.6 ounces
Item model number : B4
Department : GNC|ALL|ALL|DIET PILLS
Date First Available : December 28, 2012
Manufacturer : BPI Sports
ASIN : B00AYESMFW
Best Sellers Rank: #73,233 in Health & Household (See Top 100 in Health & Household) #136 in Fat Burner Supplements #3,435 in Sales & Deals
Customer Reviews: 4.2 4.2 out of 5 stars (732) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
SUPERIOR WEIGHT LOSS: B4 is an adipose tissue regulator that targets those areas where it’s harder to lose fat. It’s the perfect complement to the ketogenic diet or any other weight loss regimen.
Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
BOOST METABOLISM: The thermogenic effect of B4 capsules increases the body’s energy expenditure, which helps it tap into stubborn fat stores and burn them for fuel.
ENERGY & FOCUS: B4 contains a central nervous system stimulant that keeps you focused and energized. It also contains caffeine anhydrous, a more potent form of caffeine, that provides a long-lasting energy boost.
ATHLETIC PERFORMANCE: The dopamine modulator in B4 enhances motor control, motivation, and endurance so you can work out harder for longer.
ELEVATES MOOD: The exclusive combination of cutting-edge ingredients in BPI Sports B4 can positively affect your mood.
During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers’ recommendations, when provided.
