BPI B4 Reviews


BPI proclaims that their new product B4 is “the single most dominant CNS Stimulant/Fat Burning Agent available anywhere.”

Is B4 really the best stimulant/fat burner product on the market? I researched B4 to find out.

Who Makes It?

BPI Sports is a Florida-based sports nutrition company founded in 2009. The company claims more than 20,000 stores now sell its products.

BPI Sports has a score of “C” with the Better Business Bureau (BBB).[1] The low score was because BPI Sports has not provided sufficient background information about itself. There has also been an official complaint filed with the BBB concerning a product of BPI Sports.

Given these facts, it appears that while BPI Sports is established in the industry, its reputation is questionable.

What Are the Ingredients?

The effectiveness of any performance-related product is relies solely on its ingredients. Here are the ingredients included in B4.

Niacin (as nicotinic acid) (30 mg) is a water soluble B vitamin. Its helps convert carbohydrates into fuel for the body.[2] This ingredient speeds metabolism helping the body burn fat quickly.

Pre-Workout & Fat Burning Super Blend

Psoralea corylifolia (seed), a traditional herbal tool in Chinese and Indian cultures, is an antioxidant. That means it protects cells from damage while boosting metabolism rates. Recent studies also show it fights diabetes and high cholesterol in rats.[3]

Pausinystalia yohimbe (bark) has long been used in Africa as a stimulant. It is widely used by bodybuilders as a performance enhancing and weight loss supplement.[4]

Caffeine (as caffeine anhydrous) is a widely used ingredient that stimulates the body and mind. Caffeine boosts metabolism and fat burning.

Red wine concentrate has resveratrol, a useful ingredient for eliminating toxins and even reducing cancer risk.[5] Many people swear red wine helps them lose weight and burn fat more effectively.

Dendrobium nobile (stem) is an orchid that is traditionally used in Chinese medicine. While the effect of this ingredient on people is not well understood, many people use it to boost physical and athletic performance.[6]

Canavalia gladiata (seed), also known as the sword bean, is another antioxidant[7] that increases fat burning. It also protects the body from infections.

Sophora japonica (leaf) (quercetin) is another plant with strong antioxidant qualities. It also improves circulation and blood pressure. [8]

In sum, I’m impressed with how many potent ingredients BPI was able to pack into B4.

How Do You Use It?

B4 can be used to improve exercise performance or as a normal fat burner supplement.

On training days, take 1 capsule 20-30 minutes before you start training.

On non-training days, take 1 capsule anytime within a 24-hour period.

Make sure to drink plenty of water to help the body absorb B4 quicker and allow the ingredients to work at full strength.

Side Effects?

B4 does have potential side effects. First, there is an undisclosed amount of caffeine in B4. BPI warns that B4 contains approximately enough caffeine as three cups of coffee. BPI warns that people taking B4 should not drink caffeinated drinks or take caffeine in any other form. Too much caffeine may cause nervousness, sleeplessness, and even rapid heartbeat.

Secondly, B4 contains 30 mg niacin. If you also ingest niacin through other dietary sources, you could have high niacin levels in your body. High doses of Niacin (50 mg or more) can cause a side effect called the “niacin flush.” This flush is a burning, tingling sensation in the face and chest along with flushed skin. High niacin levels can even damage the liver and stomach.

But on the plus side, there have been no complaints from B4 users about negative side effects.

User Reviews

User reviews are a great way to see if a product actually works. User reviews have been overwhelmingly positive for B4. Here is what some users say about B4.

• Mazurg89 at GNC.com proclaims that he “loved this product” and that “it works for energy and focus.”

• Jbptreack at GNC.com advises to “give this a go if you(‘re) looking to increase performance or lose a few lbs.”

• Paul at FlitFlex.com states that B4 is a “great energy boost” and that he’s “getting the best workouts, period” with B4.

Since B4 is new to the market, there aren’t too many user reviews but the reviews I’ve seen are very positive about the product.


You can find B4 from various vendors online. The best prices that I could find are:

eSupplements.com – $25.99 with free shipping
Supplementsgeeks.com – $25.99 with free shipping
Hardsupplements.com – $24.95 + shipping

I recommend purchasing from eSupplements.com. They have the best price and a money-back guarantee if you want to return the product.

Final Thoughts

B4 looks like a strong fat burner. However, I can’t recommend it. There are too many possible negative side effects with the ingredients. Also, while most of the ingredients look very promising for weight loss and energy, they are unproven ingredients.

Given the possibility of side effects and weak scientific information with the ingredients, I suggest you hold off on using B4. Since B4 is still new to the market, I would wait for more user reviews before trying it.


2 Comments Jump To Comment Form
  1. by T Wright

    See there are many products and sum were good sum wasn’t, this really works

  2. by Thomas

    I have taken several supplements and this is by far the worst. I started pouring w sweat, heart pounded, dry heaving, etc. my nose starting running as well. I thought I had the flu and had to leave work.

Leave a Comment


[1] Better Business Bureau. “BPI Sports.” Accessed 2.4.2013. Available from: http://www.bbb.org/south-east-florida/business-reviews/vitamins-and-food-supplements-retail/bpi-sports-in-hollywood-fl-90058108

[2] University of Maryland Medical Center. “Vitamin B3 (Niacin).” Accessed 2.5.2013. Available from: http://www.umm.edu/altmed/articles/vitamin-b3-000335.htm

[3] See Kamboj, Jitpal, et al. "In vivo Anti-diabetic and Anti-oxidant potential of Psoralea corylifolia seeds in Streptozotocin induced type-2 diabetic rats." Journal of Health Science, 57.3 (2011): 225-235. Available from: http://jhs.pharm.or.jp/data/57(3)/57_225.pdf

[4] Federal Institute for Risk Assessment. "Scientific assessment of yobimbe (Pausinystalia yohimbe)." Accessed 2.5.2013. Available from: http://ec.europa.eu/food/food/labellingnutrition/vitamins/sa_yohimbe_en.pdf

[5] Damianaki, Athina, et al. "Potent inhibitory action of red wine polyphenols on human breast cancer cells." Journal of Cellular Biochemistry, 78.3 (2000): 429-441. Available from: http://www.erbeofficinali.org/dati/nacci/studi/apoptosi%20del%20cancro%20della%20mamella%20da%20polifenoli.pdf

[6] WebMD.com. "Dendrobium Overview Information." Accessed 2.5.2013. Available from: http://www.webmd.com/vitamins-supplements/ingredientmono-1263-DENDROBIUM.aspx?activeIngredientId=1263&activeIngredientName=DENDROBIUM

[7] Doss, A., et al. "Phenols, Flavonoids and Antioxidant activity of underutilized legume seeds." Asian J. Exp. Biol. Sci., 1.3 (2010): 700-705. Available from: http://www.ajebs.com/vol3/35.pdf

[8] See Egert, Sarah, et al. "Quercetin reduces systolic blood pressure and plasma oxidised low-density lipoprotein concentrations in overweight subjects with a high-cardiovascular disease risk phenotype: a double-blinded, placebo-controlled cross-over study." British Journal of Nutrition, 102.07 (2009): 1065-1074. Available from: http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=6259984