DMAA (1,3-dimethylamylamine) is an amphetamine derivative that has been sold in sports performance and weight loss products, many marketed as dietary supplements. FDA says DMAA is not a dietary ingredient and that these products are illegal. It was once approved as a nasal decongestant drug, but no medical use is recognized today.
Also known as: 1,3-dimethylamylamine, methylhexanamine, geranamine, 1,3-dimethylpentylamine, geranium extract.
DMAA has no approved product and no legal supplement use in the US, so we do not list any amounts.
FDA considers DMAA added to a product sold as a dietary supplement an unsafe food additive, and advises consumers not to buy or use any product that contains it. Although it is often sold as a "natural" stimulant from geranium, FDA says it is not aware of any reliable science that DMAA exists naturally in plants.
Risks, per FDA: DMAA narrows blood vessels and arteries, which can raise blood pressure and may lead to shortness of breath, irregular heartbeat, chest tightness and heart attack, as well as seizures and other neurological and psychological problems. Combining it with other stimulants such as caffeine adds to the risk.
FDA has sent warning letters since 2012, detained products in 2013, and won a 2019 appeals court ruling that DMAA is not a dietary ingredient and not generally recognized as safe. On labels it may appear as 1,3-DMAA, 1,3-dimethylamylamine, 1,3-dimethylpentylamine, methylhexanamine or geranamine, and FDA says "geranium extract" or Pelargonium graveolens extract may also indicate DMAA. WADA lists it (as 4-methylhexan-2-amine) among stimulants banned in competition (S6).
We do not list a half-life or time to peak for DMAA. The FDA page we cite describes its risks and legal status, not its timing.
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