BioStacks
Best for
Ingredients (6)
Potassium
100%Dose
150 mg
Target
99–500 mg
Form
—
Magnesium
100%Dose
190 mg
Target
100–400 mg
Form
Not listed
Chloride
26%Dose
600 mg
Target
—
Form
Standard
Sodium
35%Dose
105 mg
Target
300–1000 mg
Form
—
Boron
32%Dose
0.9 mg
Target
3–6 mg
Form
—
Other Ingredients (3)
Citric AcidAcidulant
Natural acid derived from citrus fruits
PotassiumMineral
Essential mineral naturally present in many plant-based supplement ingredients
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
How to Take It
Best taken in the evening
The Magnesium in it is what pulls this toward the evening. Take it with food — the potassium in it is what makes this kind of product feel nauseating on an empty stomach.
With food
Space it a couple of hours from Iron and Calcium
On the label
Shake vigorously. Add 5 mL (1 tsp; 5 droppers) to a large glass of juice, sports drink, or other beverage daily, especially before, during, and after exercise, working outdoors, or other strenuous activities. Store at room temperature.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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$23.99
Cheaper than 74% of 150 heart 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.