Micronutrients & recovery
Mineral deficiencies (specifically Magnesium, Zinc, Iron, Copper, and Selenium) impair immune competence by disrupting innate and adaptive immune cell function and inflammation regulation, whereas maintaining adequate levels through a balanced diet supports optimal immune defense.
Focus on eating a varied diet rich in vegetables, nuts, seeds, whole grains, and lean proteins to naturally cover your mineral needs. You likely do not need supplements unless you are in an at-risk group (like an athlete with a restricted diet, elderly, or pregnant) or have a diagnosed deficiency. If you do supplement, do so under medical guidance to avoid toxicity, as too much of certain minerals (like Iron or Zinc) can actually harm your immune system or feed pathogens.
A deficiency in any of these minerals could temporarily reduce immune competence, or even disrupt systemic inflammation regulation in the long term... Generally, a balanced diet is sufficient to supply the required balance of minerals to help support the immune system.
Why this rating
The paper is a comprehensive review citing numerous in vitro, animal, and some human studies, establishing strong mechanistic links, though clinical trial data for supplementation in non-deficient individuals is noted as limited or controversial.
Source
The Role of Minerals in the Optimal Functioning of the Immune System
Christopher Weyh et al. · Nutrients · 2022
DOI 10.3390/nu14030644
More from this paper
- Magnesium deficiency promotes a pro-inflammatory state by increasing cytokine production (IL-6, TNF-alpha) and oxidative stress, while adequate Magnesium levels help regulate inflammation and support T-cell function.Good
- Zinc supplementation (>75 mg/day) significantly reduces the duration of common colds, and adequate Zinc status is critical for T-cell maturation and preventing thymic atrophy, though excessive doses (>40 mg/day long-term) can cause immune dysfunction.Good
- Iron status has a dual role in immunity: deficiency impairs immune cell function (B-cells, T-cells), but excess iron during infection can be exploited by pathogens, leading to an evolutionary mechanism of hypoferremia (iron withdrawal) during acute infection.Good
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