🌞 Other · Strong evidence
D3 + K2
Vitamins D and K for calcium and bone support. People take it for:
- Helps the body absorb calcium (vitamin D)
- Supports bone building (vitamins D and K)
- K2 may help keep calcium out of arteries (early research)
Why it works
People take it for bone support. Vitamin D helps the body absorb calcium, and vitamin K helps activate a protein that binds calcium during bone building. D3 is often paired with K2 because vitamin K may help keep calcium out of the arteries, but that research is still developing.
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How to take D3 + K2
Best time to take
morning-food
Suggested dose
5000 IU D3 + 100mcg K2
Side effects and risks
- Too much vitamin D raises blood calcium and can cause kidney stones and nausea
- The upper limit for vitamin D from supplements is 4,000 IU a day for anyone aged 9 or older
- Vitamin K affects how warfarin and other blood thinners work, so ask a provider first
Related supplements
- 🐈 Cat’s clawAmazon herb used in traditional remedies
- 💊 DHA Omega-3 Fish OilOmega-3 fats from fish oil
- 💊 Krill Oil DHA Omega 3Omega-3 oil from krill, with astaxanthin
- 💊 Lutein + ZeaxanthinCarotenoids for eye health
- 💊 Oil of oregano with black seed oilOregano and black seed oils
- 💊 Suntheanine L TheanineCalming amino acid found in tea
Medical disclaimer: Nothing on Stack Ritual constitutes medical advice. The information provided is for educational purposes only. Always consult your doctor or a qualified healthcare provider before beginning, changing, or stopping any vitamin, supplement, or wellness regimen.