BioStacks
Best for
Ingredients (11)
Vitamin D3
100%Dose
2500 IU
Target
1000–5000 IU
Form
Premium
L-Arginine
100%Dose
5110 mg
Target
2000–6000 mg
Form
—
Vitamin B6
100%Dose
2 mg
Target
1.3–25 mg
Form
Premium
Folate
100%Dose
400 mcg
Target
400–800 mcg
Form
Budget
AstraGin
100%Dose
50 mg
Target
25–50 mg
Form
—
Nutrition
Calories, macros & sodium.
- Calories35 Calorie(s)
- Total Carbohydrates4 Gram(s)
Other Ingredients (6)
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.
Natural Color (unspecified)Colorant
Umbrella declaration for a colorant from a natural source (fruit, vegetable, or plant extract) that the label does not name specifically
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Calcium SilicateAnti-caking
Inorganic compound used as an anti-caking and flow agent in powdered supplements
Citric AcidAcidulant
Natural acid derived from citrus fruits
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. Take it with a meal containing fat — the vitamins D and K in it absorb poorly without one.
With a meal containing fat
On the label
Directions: Mix 1 scoop L-Arginine Plus powder with 4-8 oz water. Stir to dissolve. If water is very cold, mixture may take longer to dissolve. Take between meals or on an empty stomach.
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: 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.