Iron: what the biggest YouTube health voices say

3 of the biggest YouTube health voices have weighed in on Iron: 0 for, 2 it depends, 1 against.

Verdict from 3 voicesPushback

Often taken for: more energy. Updated 2026-10-29.

Voice by voice

Dr. Eric Berg 15.1M subscribers

Against

Dr. Eric Berg’s take: Warns someone with hereditary high iron not to start taking iron, recommending regular blood donation instead.

Mentioned at 32:58 in “The Dr. Berg Show LIVE - October 23, 2026” · 2026-10-23

Huberman Lab 7.98M subscribers

It depends

Huberman Lab’s take: Advises testing hemoglobin and iron levels and supplementing only when results show a need.

Mentioned at 73:03 in “Accelerate Learning & Increase Cognitive Capacity | Dr. Tommy Wood” · 2026-07-20

Thomas DeLauer 4.05M subscribers

It depends

Thomas DeLauer’s take: Prefers liver's heme iron over iron pills, citing better absorption and no competition with calcium or zinc; food source favoured over supplements.

Mentioned at 6:40 in “1oz Replaces Every Supplement in Your Cabinet (1x per week)” · 2026-10-05

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