Two bottles can both say “D3 + K2” and give you very different amounts per serving. I’d turn the bottle around before looking at the price. How much D3 is in a serving? Which form of K2 is it? And how much vitamin D are you already getting from a multivitamin or another supplement?
Drops and capsules to compare
- Trace Minerals Ionic D3 + K2. I like that this comes in drops. If pills are easy to forget or hard to swallow, a liquid can be easier to work into an existing routine. Measure the labeled serving and check the directions before mixing it into anything. See Trace Minerals’ drops
- Thorne Vitamin D + K2 Liquid. Compare this if you prefer drops. Check the serving size in drops, and use the label to calculate the amount you’d actually get. See the Thorne label
- Pure Encapsulations Vitamin D3 & K2 capsules. Compare this if you want a premeasured capsule. Check the D3 and K2 amounts separately and compare cost per serving with the liquid. See the Fullscript catalog listing
Vitamin D helps your body absorb calcium. Vitamin K helps activate proteins involved in blood clotting and bone metabolism. Those are good reasons to pay attention to your intake. Whether you need a combination product depends on your diet, your existing supplements, and why you’re taking vitamin D. NIH vitamin D guide · NIH vitamin K guide
If you take warfarin, talk with the clinician managing it before starting or changing a vitamin K supplement. If you’re shopping through Guided Prana, you can search for the capsule by name. I may earn compensation from eligible dispensary purchases. Open the Guided Prana Fullscript dispensary
If you tend to forget supplements, try pairing the drops with a meal you already have regularly. If the taste or texture bothers you, that’s a good reason to choose a different format.
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Educational disclaimer: This article is for educational purposes only and is not medical advice.