The Peptide Report
A 2026 evidence-based review comparing lichen-derived vegan vitamin D3 and fermented K2 (MK-7) against lanolin and animal-sourced alternatives. Spoiler: the serum data is closer than most skeptics expect.
Plant-based D3 from lichen has been clinically shown to raise serum 25(OH)D levels comparably to lanolin-derived D3. Here's the bioavailability, absorption, and synergy data behind a modern vegan D3+K2 formula.
Vegans and skeptics alike want to know whether lichen-sourced vitamin D3 truly matches lanolin-derived D3. Here's the clinical answer — and why pairing it with K2 changes the equation entirely.
