Price: $17.85
(as of Jul 28, 2025 11:48:56 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
Country of Origin : USA
Best Sellers Rank: #83,525 in Health & Household (See Top 100 in Health & Household) #166 in Fat Burner Supplements #4,039 in Sales & Deals
Customer Reviews: 4.2 4.2 out of 5 stars 714 ratings 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); } }); });
Focused Fat Support & Energy Mix: Our B4 keto fat burner combines caffeine and yohimbine in a balanced formulation designed to support energy levels and focus during your daily routine.
Recovery & Hydration Assist: Includes niacin and quercetin to help maintain hydration and promote comfort post-workout, supporting overall performance- best fat burner for women weight loss.
Keto-Friendly Blend: Burn fat with our B4 fat burning supplements- work seamlessly with low-carb or ketogenic diets, helping you stay aligned with your nutrition goals throughout your day.
Appetite & Focus Balance: Effective appetite suppressant for men and women. Contains ingredients that can help you feel more in control of hunger and sustain mental alertness, without overwhelming stimulants.
BPI Sports: A sports nutrition company offering high-quality supplements, diets, and fitness advice. We offer one of the best fat burner supplements in the market.
Customers say
Customers find the fat burner effective, noting it provides energy throughout the day and works well with diet and exercise. The product receives positive feedback for its fat-burning properties, with one customer mentioning it helps burn more calories while working less. While some customers report no jitters and good value for money, others experience nausea and headaches. Additionally, customers report intense sweating during use, and one customer mentions feeling cold and even colder.
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