BioStacks
Best for
Ingredients (3)
Collagen
100%Dose
10 g
Target
5–20 g
Form
Not listed
Caffeine
50%Dose
50 mg
Target
100–400 mg
Form
—
L-Theanine
16%Dose
16 mg
Target
100–250 mg
Form
—
Nutrition
Calories, macros & sodium.
- Sodium50 mg
Other Ingredients
No other ingredients listed
How to Take It
Best taken in the morning
Morning or early afternoon only — caffeine within 8 hours of bed measurably disrupts sleep.
With or without food
On the label
Add one serving to your favorite beverages and recipes.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$35.00
Pricier than 83% of 23 caffeine supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and 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. clinical 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.