Pangamic Acid Drug Interactions, Uses, Effectiveness, Safety & More

Pangamic acid is a chemical that was once marketed as "vitamin B15." Despite that name, it is not a real vitamin and your body does not need it. The term was first used decades ago for a substance said to come from apricot kernels and other seeds, but over the years products labeled "pangamic acid" have contained many different ingredients.

One of the biggest problems with pangamic acid is that there has never been a single agreed-upon chemical formula. Different brands and countries used different mixtures, so two products with the same name could contain completely different chemicals. Because of this confusion and a lack of proven benefit, the U.S. Food and Drug Administration (FDA) has long considered these products unapproved and has taken action against them.

It was popularized partly by claims from athletes and in some countries was promoted for heart and energy concerns. Today it is mostly seen as an outdated and questionable supplement.

Because "pangamic acid" has never had a single, standard chemical identity, it is hard to describe how it works. Products sold under this name have contained different combinations of compounds, sometimes including substances like dimethylglycine (DMG), gluconic acid, glycine, or other additives.

Marketers claimed it could improve oxygen use in tissues or act as a methyl donor, but these ideas were never proven in good-quality human studies. Any proposed mechanisms are largely theoretical or based on outdated and unreliable research.

Because pangamic acid is not a defined, standardized substance, its safety cannot be reliably judged. Some formulations have raised concern because certain ingredients used in these products may form compounds that could be harmful, and a few have been flagged as potentially mutagenic in laboratory testing.

The FDA has taken regulatory action against products labeled as pangamic acid or "vitamin B15," and they are not legally marketed as dietary supplements in the United States. Given the lack of proven benefit and the unknowns about contents, we recommend avoiding it entirely.

Pregnancy and breastfeeding: There is no safety information for these groups. Pregnant and breastfeeding people should not use pangamic acid. Children, older adults, and anyone with a medical condition should also avoid it.

Reported side effects are not well documented, partly because the product is not standardized. Some users have described general reactions such as headache, flushing, nausea, or stomach upset.

The bigger concern is the uncertain and possibly harmful ingredients in some products rather than a clearly defined side-effect profile. Because the contents and long-term effects are unknown, the safest choice is not to take it.

There is no established or recommended dose for pangamic acid, and no health authority endorses its use. Because the product is not standardized and is not approved as a supplement in the U.S., we cannot suggest any safe amount.

If you have seen pangamic acid or "vitamin B15" for sale and are considering it, please talk with a pharmacist or doctor first. In most cases, the best advice is to choose a different, well-studied option instead.