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Fix an actual deficiency — don't guess. Test your levels first, then supplement.
A clean pairing: vegan D3 from lichen plus MK-7, the K2 form with the strongest carboxylation data. The honest caveat is dose-context — 5000 IU is generous, and most useful when a blood test shows you're deficient, since trials in already-replete adults (VITAL) showed limited added benefit. Test first. Don't guess.
5000 IU D3 · 100mcg K2 (MK-7) · VEGAN
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Read our full reviewThe honest second Foundation pick: B12 is the one nutrient with a clean, measurable deficiency case for large, well-defined groups — people who eat no or little animal food, older adults with reduced absorption, and long-term metformin users. This is the bioactive methylcobalamin form in a lozenge you can hold under the tongue, at a dose that comfortably covers absorption losses. Like the D3+K2 pick, it's deficiency-correction, not enhancement: if your B12 status is already fine, it won't give you energy or a performance edge.
1000 mcg METHYLCOBALAMIN · SUBLINGUAL · VEGAN
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