Vitamin B Complex

Vitamin B complex supplements combine the B vitamins in one product: thiamin (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), vitamin B6, biotin, folate and vitamin B12. You will find everyday B complex tablets, high-strength B-50 and B-100 formulas, sustained-release tablets, methylated or "active" forms, oral sprays and liquids.

The numbers describe strength. A B-50 typically gives around 50 mg each of B1, B2, B3, B5 and B6 with 50 mcg of B12 and biotin, while a B-100 roughly doubles those amounts; exact figures vary by brand, so compare the label. Methylated formulas use forms such as methylcobalamin and methylfolate. Vitamin B6 and vitamin B12 contribute to the reduction of tiredness and fatigue, and thiamin contributes to normal energy-yielding metabolism. Our guide explains B-50 vs B-100 and methylated forms in more detail.

How to choose a B complex

  • Strength: a standard B complex suits most people; B-50 and B-100 are higher-strength options.
  • Form: methylated B complexes use methylcobalamin and methylfolate instead of cyanocobalamin and folic acid.
  • Format: capsules and tablets are the most common; sprays and liquids suit people who dislike swallowing tablets.
  • Diet: check the capsule shell and label if you need a vegetarian or vegan product.

Related: Vitamin B12 · Vitamins · Multivitamins · Vitamins & Health

Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

FAQs

Is B100 the same as B complex?

Yes. B-100 is a high-strength B complex: the number refers to the strength, with roughly 100 mg of several B vitamins per serving. Exact amounts vary by brand.

Is B50 the same as B complex?

Yes. B-50 is a B complex at roughly half the strength of a B-100. Check the label, as brands balance the individual B vitamins differently.

B50 vs B100: which is better value?

Compare the cost per serving and how many servings you need per day. A higher strength is not automatically better; choose the strength that matches the directions and your needs.

What does methylated B complex mean?

It means the formula uses methylated forms of some B vitamins, typically methylcobalamin (B12) and methylfolate, rather than cyanocobalamin and folic acid.