Dr. Berg’s Healthy Keto and Intermittent Fasting Podcast

Why Magnesium Isn’t Working for You (It’s NOT the Magnesium)

Feb 5, 2026
They explore why magnesium supplements can seem ineffective and list eight common mistakes that block results. Topics include essential cofactors like vitamin D and B6, how seed oils and cell membrane damage stop absorption, and how stress and caffeine increase magnesium needs. They compare magnesium forms and point out hidden blockers such as calcium, antacids, and insulin resistance.
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INSIGHT

Magnesium Is Not Solo Nutrient

  • Magnesium needs partner nutrients like vitamin D, B6, potassium and sodium to work effectively in the body.
  • Deficiencies in these cofactors can make magnesium supplements seem ineffective.
INSIGHT

Cell Membrane Health Controls Uptake

  • Damaged cell membranes block intracellular magnesium entry and reduce effectiveness.
  • Seed oils embed in membranes and can take ~600 days to clear and restore membrane function.
ADVICE

Reduce Stress And Caffeine To Save Magnesium

  • Reduce chronic stress and caffeine to conserve magnesium and improve digestion.
  • Under stress you will need higher magnesium doses because stress increases loss and demand.
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