'iHerb Quality Pick' highlights a curated selection of products that meet our highest standards for quality, purity and sourcing integrity:
Vitamin D3 and vitamin K2 are commonly included together in combination food supplements. Formulations vary by brand and may contain different amounts or forms of each ingredient; check the Supplement Facts panel.
MK-4 and MK-7 are two forms of vitamin K2 used in food supplements. Depending on the product, a formula may contain one form or the other; check the Supplement Facts panel.
Check the product label for important warnings, precautions and directions for use. If you take prescription medications or have questions, consult your healthcare provider before use.
Vitamin D3 and vitamin K2 are available as combination supplements and as separate single-ingredient products. Formats and formulations vary by brand.
D3 + K2 supplements are available as softgels, capsules, liquid drops and vegan-friendly formulas using plant-sourced vitamin D3 (lichen-derived) and MK-7.