Proven · 7.8/10
Vitamin D3 + K2
Vitamin D3 + K2 is a winter-essential pairing for the deficient majority. Jolliffe and Camargo 2021 showed daily 400-1,000 IU cuts acute respiratory infection risk by 30% in deficient adults; K2 MK-7 180 mcg slows arterial calcification per Knapen 2015. Replete adults see minimal additional benefit. Read the full breakdown →
The prediction game
Where does Vitamin D3 + K2 go in 12 months?
Lock a call and say how sure you are. Right and confident earns the most; a leaderboard spot is the prize. No money, no stakes.
The Crowd’s Call
Rising or fading over the next 12 months? Lock your call and find out if you saw it coming.
Be the first scout on record for Vitamin D3 + K2. Permanent credit on this page, plus points when your call resolves.
One call per intervention. It locks the moment you submit (no edits, no cancels) and resolves in 12 months. See the scout leaderboard →
Weigh In
Your input feeds the community signal shown beside my verdict. It informs the board and it never sets the score by itself. How community input works.
Same as above — one verification covers all your entries here.
For education only, not medical advice. Supplements, peptides, and protocols can interact with medications and conditions. Talk to a qualified clinician before starting anything here.