Evidence library 20 analyses

Vitamin D3, K2 & Magnesium

Evidence on vitamin D3, K2 and magnesium, including dosing, interactions, deficiency context and combined supplementation.

Complete library

All Vitamin D3, K2 & Magnesium analysis

Browse every published guide, review and evidence update in this topic.

Vitamin K2, D and magnesium foods with serving amounts, a worked meal example, fortification differences and nutrient-form explanations.

Vitamin D3 functions, D2 differences, food and vegan sources, adult intake guidance, supplement formats and findings from large trials.

Compare DoNotAge, Dr. Berg, Life Extension and separate products by exact D3, K2 and magnesium amounts, quality evidence and daily cost.

Compare calcium, D3, K2 and magnesium for bone health, including intake targets, density and fracture trials, and osteoporosis care.

Magnesium L-threonate safety explained: trial events, EFSA assessment, kidney risk, headaches, sleep changes and medicine interactions.

What magnesium L-threonate sleep trials found: doses, timing, wearable results, daytime function, corrections and comparison with glycinate.

L-threonate versus glycinate for sleep, cognition and intake: compare trials, elemental doses, tolerability, cost and combining forms.

Read magnesium L-threonate doses correctly: compound versus elemental amounts, trial regimens, capsule calculations and safety limits.

Compare human magnesium L-threonate trials for cognition and sleep, including doses, effect sizes, formulations and research limitations.