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1.M.R was the pre-workout that first put BPI Sports on the map back in 2010. After the brand’s 2023 bankruptcy and relaunch under Hi-Tech Pharmaceuticals, BPI brought the name back as 1.M.R OG, pitched as a recreation of that original “founding father of pre-workouts” formula. I went through the label, the dosing, and the online chatter to see if the comeback earns the name.
What’s actually in it
Each 13.7g scoop (25 servings per tub, $34.99, $1.39 per serving) delivers two proprietary blends. The Pump Matrix totals 9,625mg and includes beta-alanine, L-citrulline silicate, L-citrulline, L-arginine, L-arginine AKG, betaine anhydrous, and L-tyrosine. That’s a genuinely large combined pump dose by category standards.
The OG Energy Matrix totals 575mg and includes caffeine anhydrous, 2-Aminoisoheptane HCl, theobromine, geranium extract, guarana extract, yerba mate extract, schizandra extract, and grape seed extract. Because it’s a proprietary blend, BPI doesn’t break out the exact caffeine milligrams on the label. That’s worth knowing going in if you’re sensitive to stimulants or you like to track your intake precisely.
The DMHA question
2-Aminoisoheptane HCl is DMHA, a stimulant the FDA classified as an unsafe food additive back in 2019. It’s also on the banned lists for both WADA and the NCAA. BPI markets 1.M.R OG toward “serious lifters” chasing the original formula’s intensity, and that intensity is coming partly from an ingredient the FDA has already flagged. If you’re a tested athlete, this product is off the table. If you’re not, it’s a personal risk-tolerance call, and I’d rather flag it clearly than bury it in a footnote.
What buyers are actually saying
BPI’s own product page doesn’t publish a star rating or review count for 1.M.R OG yet, which tracks with it being a 2024-2025 relaunch rather than a long-established listing. In supplement forums, early feedback is mixed: some lifters describe it as comparable to Cellucor’s C4 in intensity, while others who’ve tried higher-stimulant brands like Bucked Up or Alpha Lion found it more average, with one recurring comment that non-DMHA formulas tend to feel smoother overall.
None of that makes it a bad product. It reads as a solid, mid-tier stim pre-workout with an unusually large pump dose, not a category-leading energy formula.
Flavors and how to take it
It currently comes in Fruit Punch, Blue Raspberry, and Sour Gummy. Directions call for 1 scoop mixed in 8oz of water, taken 15 to 30 minutes before training. Given the undisclosed caffeine content, I’d start with a half scoop the first time to gauge your tolerance rather than diving in at a full dose.
How it compares
Against BPI’s own lineup, 1.M.R OG is the higher-stimulant option compared to the gentler 1.M.R Vortex. Against Cellucor’s C4, independent comparisons generally favor C4 on transparency (disclosed dosages) and reported pump quality. I laid out that full trade-off in BPI Sports vs Cellucor.
Should you buy it
If you want a nostalgia pick with a genuinely large pump matrix and you’re not competing under a drug-tested federation, 1.M.R OG is a reasonable mid-tier pre-workout. If you’re stimulant-sensitive, drug-tested, or you specifically want every milligram disclosed on the label, look elsewhere in BPI’s own catalog or at a competitor that discloses its full stack.
For where to actually buy it without risking a counterfeit, see my where to buy authentic BPI Sports guide. For dosing and stacking notes, check how to use BPI Sports supplements correctly.
Keep reading: my full BPI Sports brand review, how to choose the right BPI Sports supplement, and where to buy authentic BPI Sports products.