BioStacks
Best for
Ingredients (7)
Caffeine Anhydrous
100%Dose/day
270 mg
Target
100–400 mg
Form
—
Raspberry Ketone
100%Dose/day
100 mg
Target
100–500 mg
Form
—
Sage leaf powder
50%Dose/day
150 mg
Target
300–900 mg
Form
—
Ecklonia cava stem and leaf extract
50%Dose/day
72 mg
Target
144–360 mg
Form
—
Yohimbe bark extract
20%Dose/day
1.0 mg
Target
5–20 mg
Form
—
Other Ingredients (3)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
How to Take It
Best taken in the morning
Contains Caffeine, which is stimulating — keep it to the morning. Take it between meals, away from food.
On an empty stomach
Label directs 2 servings — keep one for the morning
On the label
DIRECTIONS: To assess your tolerance, follow the chart provided. Once your tolerance has been assessed, take 1 capsule with 8 oz. of water 2 times daily 30 to 60 minutes before your two largest meals of the day (e.g. breakfast and lunch). Once tolerance has been assessed and you are looking for an additional boost of energy, take an additional capsule with the first serving of the day. Do not exceed 3 capsules in a 24-hour period. For best results, use for 60 days in combination with diet and training. Day 1 & Day 2 – 1 capsule, 1x daily Day 3 & Beyond – 1 capsule, 2x daily
General guidance based on the ingredients, not a substitute for the label or your doctor.
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.