This delivers a clinically meaningful dose for bone, immune, and dental health. **Vitamin D3** at 5,000 IU (125mcg) as cholecalciferol is at the top of the studied range for maintaining healthy blood levels, and **Vitamin K2** at 100mcg as MK-7 ensures the calcium your D3 helps absorb gets directed to your bones and teeth rather than soft tissue.

The softgel contains organic virgin coconut oil and olive oil as carrier fats, which matters because both D3 and K2 are fat-soluble and absorb significantly better when taken with dietary fat. The 120-count bottle gives you a full four-month supply at one softgel per day.

One consideration: 5,000 IU of vitamin D daily is appropriate if you have documented deficiency or low sun exposure, but it sits at the upper end of the clinical range. If you're stacking this with a multivitamin or fortified foods that also contain vitamin D, it's worth periodically checking your 25(OH)D blood levels to make sure you stay in the optimal range.

BioStacks
SR SportsResearch

D3 125 mcg + K2 100 mcg

Capsule · 1 Softgel · 120 servings

iHerbAmazon
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What it does

A combination of 2 label ingredients.

Vitamin D

Mixed formsGrade —

Supports calcium absorption and the maintenance of normal bones.

Vitamin K

menaquinone-7Premium

Supports normal blood clotting and activates proteins involved in maintaining bones.

Bone & JointImmuneDental
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Ingredients (2)

Other ingredients

Coconut OilCarrier

Edible oil from coconut used as a release/anti-sticking agent and carrier in gummies and soft formats

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

Rice Bran WaxCoating

Natural wax extracted from rice bran, used as a coating and glazing agent in supplements and food products

Extra Virgin Olive OilCarrier

Cold-pressed olive oil used as a carrier and filler in softgel capsules for fat-soluble nutrients

StarchBinder

Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

Lab testing

How to take it

With a meal containing fat

On the label

Suggested use: As a dietary supplement, healthy adults take 1 liquid veggie softgel daily with food. Best when taken as directed by a qualified healthcare professional.

Price check

$44.97

$10$20

Pricier than 95% of 552 vitamin D supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.

Not medical advice. Consult your healthcare professional.

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