Natures Bounty B Complex Review

Editor's Review: 3.5 / 5.0

What You Should Know

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One of the healthiest forms of natural energy is the B vitamin. B vitamins are present in many foods and most energy supplements. There is no toxic level for B vitamins, so the dieter does not have to worry about over-stimulation or toxicity. B vitamins are not stored in the body, which means the supplement needs to be taken daily or more than once a day, in some cases. There are B vitamin injections used after weight loss surgery that offer prolonged support, but oral products like Nature’s Bounty B Complex do not have a lasting effect.

List of Ingredients

Thiamin, Riboflavin, Niacin, Vitamin B12 and Protease.

Product Features

When advertising a B Complex, it is important to ensure the complex contains more than enough B vitamins for energy support. Nature’s Bounty B Complex contains only a few B vitamins. B6 is nowhere on the ingredient list though it is commonly included in most energy and weight loss supplements. There are only five B vitamins in the complex. This is far less than competitor products.

Niacin is one of the B vitamins in Nature’s Bounty B Complex. Niacin is known to cause flushing. Flushing is similar to a hot flash. The skin may suddenly feel hot and sweaty. This reaction often leads the dieter to believe the supplement is working to increase fat burn, but that is not the case. Some companies choose to include non-flushing Niacin, but that is not the case with Nature’s Bounty B Complex.

According to Nature’s Bounty, only one capsule is needed daily. B vitamins are quickly used for immediate energy production and then flushed out of the body. Some dieters report bright yellow urine when B vitamins leave the body. If the supplement is taken only once per day, the extra B vitamins will flush soon after taking the supplement and increased energy will fade. B vitamins do not last as long as caffeine (12 hours) so the dieter can safely take a B Complex within a few hours of bedtime and not have to worry about sleeplessness.

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  • Supports healthy energy levels.
  • Contains B12.


  • The supplement is taken only once per day.
  • Does not contain B6.


Nature’s Bounty B Complex is a scant supplement. Dieters looking for B vitamin support should look into an oral dissolvable tablet that can be taken multiple times every day. These supplements instantly offer thousands of mcg of B vitamins and they can be taken as needed for energy support. Nature’s Bounty B Complex falls short of competitor products on ingredient list and dosage instructions. Other supplements like caffeine and green tea also boost energy naturally.

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