What Depletes Your Vitamins: Medications, Stress, and Lifestyle Factors

Common medications — including proton pump inhibitors (PPIs), metformin, statins, oral contraceptives, and certain antibiotics — deplete specific vitamins and minerals through well-documented mechanisms, and chronic use without nutritional monitoring creates preventable deficiency risks.

PPIs (Omeprazole, Lansoprazole, etc.)

PPIs reduce stomach acid production by 90–99%. Stomach acid is required for: B12 release from food proteins (B12 deficiency risk increases with PPI duration — significant after 2+ years), magnesium absorption (FDA issued a safety warning about PPI-associated hypomagnesemia), calcium absorption (increased fracture risk with long-term PPI use), and iron absorption (acid-dependent reduction of ferric to ferrous iron).

Metformin

The most prescribed diabetes drug impairs B12 absorption in the ileum — approximately 10–30% of long-term metformin users develop B12 deficiency. Metformin may also reduce folate levels. Annual B12 testing is recommended for all metformin users but is frequently overlooked.

Statins

Statins inhibit HMG-CoA reductase — the same biosynthetic pathway that produces CoQ10. Statin-related myalgia (muscle pain) and fatigue may be partly attributable to CoQ10 depletion. Vitamin D metabolism may also be affected, though the clinical significance is debated.

Oral Contraceptives

Hormonal birth control increases the catabolism of B6 (depleted significantly — contributing to mood changes attributed to OCs), folate (concerning for women who may become pregnant after discontinuation), magnesium (explaining increased cramping in some women on OCs), and zinc (impaired immune function). Vitamin B Complex and Essentially-U help replenish the nutrients most commonly depleted by these medications.

How to Protect Yourself

The solution isn't stopping your medications — it's monitoring and replenishing the nutrients they deplete. Ask your prescribing physician about known nutrient interactions with your specific medications. Request periodic testing for commonly depleted nutrients (B12 annually for metformin and PPI users, magnesium for PPI and diuretic users, CoQ10 assessment for statin users). Supplement strategically — not empirically. Targeted replenishment based on testing and known depletion pathways is more effective and economical than broadly supplementing everything "just in case."

Other Common Depletors

Diuretics (furosemide, hydrochlorothiazide): Deplete potassium, magnesium, zinc, and B vitamins through increased urinary excretion. Potassium monitoring is standard of care; magnesium monitoring often is not but should be. Corticosteroids (prednisone, dexamethasone): Long-term use depletes calcium (accelerating osteoporosis), vitamin D (impairing calcium absorption), magnesium, potassium, and chromium (worsening the glucose dysregulation these drugs already cause). Antacids (Tums, Maalox): Reduce calcium, phosphorus, and iron absorption by neutralizing stomach acid. Antibiotics: Disrupt gut microbiome, reducing microbial production of vitamin K2 and B vitamins. Extended courses may impair mineral absorption through intestinal inflammation. SSRIs and SNRIs: May deplete sodium (via SIADH), folate, and melatonin in some individuals. The folate depletion is clinically relevant because folate is a cofactor in serotonin synthesis — potentially undermining the very therapeutic effect the medication is prescribed to achieve.

Frequently Asked Questions

Should I stop my medication to avoid nutrient depletion?

Never stop prescribed medication without medical guidance. Instead, discuss nutrient monitoring with your prescribing physician and supplement strategically to compensate for known depletions. The medication is prescribed for a reason — the goal is to maintain both the therapeutic benefit and nutritional adequacy.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.