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Essential B Complex


BioSource Labs Essential B Complex delivers a potent bioavailable dose of essential B vitamins, and other scientifically validated ingredients designed to invigorate cells, boost energy, and help balance key bodily functions. Essential B Complex contains methylcobalamin B12 for maximum bioavailability and cellular absorption, along with B2, B3, B6.

B vitamins are crucial in helping the body metabolize food, support healthy red blood cell production, and strengthen the immune system against illness. B vitamins also play a role in protecting the brain, heart, and nervous system. Vegetarians, Vegans, and those who follow very low calorie diets may be at greater risk for not getting the proper daily amount of b vitamins, especially b12.

Also ideal for support during:

  • Intermittent Fasting
  • Keto
  • Paleo
  • BioSource Labs Diet Protocol

B vitamins are water-soluble and not stored in your body; replenish them with this daily support formula made of our essential, pure B vitamin blend that will keep you feeling good all day.

SKU: BST1-1 Categories: , , , ,


Essential B Complex contains 5 essential B vitamins that work together with our Cell Support Blend, to help transform the body into an energy powerhouse. This formula is ideal for all lifestyles, whether you’re vegan or vegetarian, on the keto diet, doing intermittent fasting, dairy-free, nut-free, gluten-free, low-carb, low-calorie, sugar-free, soy-free, or simply want a more natural way to sustain consistent energy levels throughout your day.

This liquid formula is simple to take, easy to digest, and stacks well with other vitamin & minerals supplements. The drops are easy to swallow (no tablets, capsules, or gummies). Perfect for men and women of all ages (teen 14+ to senior).

Best Use

  1. Shake Well
  2. For Maximum Absorption: Take 1 full dropper (1 ml) in the morning, on an empty stomach at least 30 min prior to eating.
  3. Use once (1x) daily.

Additional information

Weight .15 lbs
Dimensions 1.25 × 1.25 × 4.25 in