Jack3d has a documented DMAA history and a later formula that raises a separate DMHA concern. The name alone does not identify one unchanging recipe. USPlabs branding appears on the current Hi-Tech Pharmaceuticals listing, while FDA records describe enforcement against earlier DMAA-containing Jack3d. These records should be kept separate when evaluating claims about an “original” or “new” version.
The original product and the 2013 action
FDA’s DMAA information page states that warning letters began in 2012. In 2013, the agency detained DMAA-containing Jack3d and OxyElite Pro. USPlabs subsequently destroyed the detained products and agreed to stop manufacturing with DMAA. This is a specific historical enforcement sequence, not evidence that every product ever carrying the Jack3d name vanished permanently.
FDA continues to advise against buying or using DMAA-containing supplements. It identifies cardiovascular risks, including increased blood pressure, and considers DMAA an unsafe food additive when added to products marketed as dietary supplements. Those US statements should not be rewritten as a universal description of every country’s rules.
What the later manufacturer listing actually says
The listing checked on October 13, 2026 explicitly names DMHA. Its displayed Fruit Punch panel lists 2-aminoisoheptane HCl, geranium extract and yohimbe in a proprietary blend, alongside caffeine, creatine monohydrate, beta-alanine and other ingredients. Individual quantities for several components are not disclosed.
The page also contains a serving-weight inconsistency: promotional text describes a 4.15 g scoop, while the Supplement Facts identifies 5.55 g for its single-scoop column. That discrepancy is a reason to question version matching, not to average the figures or construct a dosing plan. The current packshot identifies the product; it does not document the original DMAA recipe.
DMHA is not a reassuring replacement
FDA’s DMHA page, marked current as of March 6, 2023, lists 2-aminoisoheptane among DMHA’s names. FDA considers DMHA an unsafe food additive and supplements containing it adulterated under US law. The page distinguishes this conclusion from its earlier 2019 wording. Substituting DMHA for DMAA does not establish a safe or lawful reformulation.
What this means for a review
No recommendation to consume this DMHA-listed formula follows from its availability online. A reduced serving, customer rating or familiar brand cannot resolve the regulatory issue. FDA does not approve dietary supplements for safety and effectiveness before sale. Likewise, a competing product cannot credibly promise to reproduce Jack3d’s effects “without the risk” without evidence for that specific comparison. This is an identification and regulatory guide, not a personal test or purchasing recommendation.
Product pages and existing offers
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Sources and review notes
Reviewed October 13, 2026. Hi-Tech Pharmaceuticals current USPlabs Jack3d listing. Jack3d Fruit Punch manufacturer Supplement Facts. FDA DMAA guidance and original Jack3d enforcement history. FDA current position on DMHA in dietary supplements. FDA dietary-supplement labeling and oversight. This is editorial guidance based on identified labels and sources, not a report of personal product testing. Product versions and offers can change.
