Category: Gut & Immunity

Vitamin D, zinc and vitamin C compared — what actually supports normal immune function.

D2 vs D3, recommended amounts, why testing helps, and the upper limit worth respecting.

Multi-strain probiotics, prebiotics and synbiotics compared — matched to your goal.

The plain-language difference between prebiotics and probiotics, and how they work together.

A plain-language intro to probiotics, why strains matter, and what research supports.