BioStacks
Best for
Ingredients (8)
Vitamin D
40%Dose
400 IU
Target
1000–5000 IU
Form
Premium
Calcium
100%Dose
400 mg
Target
200–600 mg
Form
Not listed
Vitamin C
24%Dose
60 mg
Target
250–2000 mg
Form
Not listed
Copper
50%Dose
500 mcg
Target
1000–2000 mcg
Form
Not listed
Magnesium
60%Dose
60 mg
Target
100–400 mg
Form
Not listed
Other Ingredients (7)
SorbitolSweetener
A FODMAP sugar alcohol that may trigger GI discomfort (bloating, gas) in individuals with IBS or sorbitol malabsorption, even at small amounts found in supplements. Avoided in low-FODMAP diets.
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.
Beet ColorColorant
Natural red-pink colorant from dehydrated beets or beet juice; the pigment is betanin
Citric AcidAcidulant
Natural acid derived from citrus fruits
Sodium CarbonatesBuffering Agent
Alkaline buffering agents used to adjust pH and improve stability of supplement formulations
Riboflavin-5-PhosphateColorant
Active coenzyme form of vitamin B2; used as yellow colorant and for B2 fortification in supplements
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
How to Take It
Best taken in the evening
The Magnesium in it is what pulls this toward the evening. Take it with a meal containing fat — the vitamin D in it absorbs poorly without one.
With a meal containing fat
Keep it away from high-oxalate foods like spinach
Space it a couple of hours from Iron
On the label
DISSOLVE ONE TABLET IN A GLASS OF WATER TO MAKE A REFRESHING ORANGE FLAVOURED DRINK. Take once or twice daily, as required. Do not exceed recommended intake. No Aspartame Suitable for vegetarians Easily absorbed formula Free from drugs & hormones Osteocare is not tested on animals
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
£5.15≈ $6.54
Cheaper than 95% of 632 vitamin D 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.