BioStacks
Best for
Ingredients (4)
L-Leucine
100%Dose
2000 mg
Target
2000–5000 mg
Form
—
Peak ATP
100%Dose
400 mg
Target
200–400 mg
Form
—
L-Isoleucine
67%Dose
1000 mg
Target
1500–4000 mg
Form
—
L-Valine
67%Dose
1000 mg
Target
1500–4000 mg
Form
—
Other Ingredients (8)
XylitolSweetener
A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.
AnnattoColorant
Natural yellow-orange colorant derived from the seeds of the achiote tree (Bixa orellana)
Citric AcidAcidulant
Natural acid derived from citrus fruits
Malic AcidAcidulant
Naturally occurring organic acid found in apples, used as a flavor enhancer and acidulant in supplements
Monk Fruit ExtractSweetener
Zero-calorie natural sweetener derived from the monk fruit (Siraitia grosvenorii)
Natural Orange FlavorFlavor
A natural flavoring derived from orange to mask supplement taste
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
Sunflower LecithinEmulsifier
Non-GMO, non-allergenic emulsifier derived from sunflower seeds
How to Take It
Take it anytime
Timing doesn't matter for this one — taking it consistently does.
With or without food
On the label
As a dietary supplement, mix 1 scoop with 8-10 oz. of water or other beverage and blend well. This product is best taken 30 minutes before exercise. It can also be consumed during and post-workout. Consume 1-2 servings daily without food, including rest days or as directed by a trainer, coach, or health professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$59.60
Pricier than 94% of 20 isoleucine supplements
Track this supplement in your stack
Get personalized insights, interactions, and coverage recommendations.
Get Started FreeSimilar Supplements
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.