Humane Foundation
Topic hub · Nutrition & Health

Iron, B12 & Deficiency Prevention

Most plant-based deficiency problems are logistical, not dietary. This hub explains non-haem iron absorption, vitamin C pairing, B12 dosing schedules, ferritin testing and what symptoms warrant bloodwork.

Stories
13
Writers
10
Reading time
65m
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2
An artfully arranged flat lay of nutrient-dense plant foods like kale, lentils, and nuts, next to a single supplement pill, representing thoughtful nutrition planning.
Featured Stories

The Plant-Based Paradox: Navigating the Hidden Hunger for Micronutrients

As plant-based eating becomes mainstream, a new challenge emerges: ensuring the bioavailability of crucial micronutrients that go far beyond the usual suspects like B12 and iron.

By Dr. Anya Sharma · 7 min read

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Frequently asked questions

How much B12 do vegans need?
Common guidance is either around 50 mcg daily or 2,000 mcg weekly of cyanocobalamin, since absorption efficiency falls sharply at higher single doses.
How can I absorb more plant iron?
Pair iron-rich foods with vitamin C, and separate tea, coffee and calcium supplements from iron-heavy meals by an hour or two.

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