BioStacks
Best for
Ingredients (6)
Horsetail (leaf & stem) Extract
100%Dose/day
49 mg
Target
15–100 mg
Form
—
AminoMar™ Marine ComplexCollagen Type IIOyster Extract Powder
100%Dose/day
905.8 mg
Target
450–500 mg
Form
Not listed
Zinc
100%Dose/day
16000 mg
Target
15–30 mg
Form
Budget
Vitamin C
24%Dose/day
60 mg
Target
250–2000 mg
Form
Budget
Flax Seed Extract
1%Dose/day
0.1 g
Target
10–30 g
Form
Budget
Other Ingredients (7)
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
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Natural Orange FlavorFlavor
A natural flavoring derived from orange to mask supplement taste
How to Take It
Take it anytime
Take with food — on an empty stomach it commonly causes nausea.
With food
Space it a couple of hours from Iron and Calcium
Split into 2 doses across the day
On the label
For best results, take 1 tablet twice daily for 3-6 months. Best taken with water after a meal. Viviscal tablets are easy to swallow. Do not exceed the recommended daily intake.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$44.89
Pricier than 90% of 544 vitamin C 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.