Macronutrients & Protein 8 min read Updated: March 12, 2026

Micronutrients in a Deficit: Key Vitamins and Minerals to Prevent Deficiencies

Creator: Anna Brown, MSc
Published: 2026-03-12T08:00:00+00:00

Prevent hair shedding, fatigue, and immune suppression by prioritizing magnesium, vitamin D3, iron, zinc, and electrolytes during fat loss.

Evidence-Based Nutrition Review: Authored and reviewed by Anna Brown, MSc. Conforms to peer-reviewed standards from the Academy of Nutrition and Dietetics and the International Society of Sports Nutrition (ISSN).

Quick Take / Clinical Summary

Prevent hair shedding, fatigue, and immune suppression by prioritizing magnesium, vitamin D3, iron, zinc, and electrolytes during fat loss. Track your daily energy balance and macronutrients accurately with the Calorie Tracker iOS App.

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Key Takeaway: Restrictive energy deficits can lead to subclinical deficiencies in magnesium, zinc, iron, and B-vitamins. Emphasize micronutrient-dense leafy greens, shellfish, and organ meats.

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Scientific References & Clinical Studies

Prevalence of micronutrient deficiency in popular diet plans — J Int Soc Sports Nutr. Calton JB.

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