Long-term omeprazole depletes B12 and magnesium and impairs calcium and iron absorption. Here’s the full PPI nutrient checklist and which forms to choose.
What Vitamins to Take on Long-Term Omeprazole (PPI) Therapy Read More »
Metformin blocks calcium-dependent B12 absorption in the gut. Does taking calcium help? The mechanism, the small studies, and what actually fixes low B12.
Can Calcium Reverse Metformin’s B12 Absorption Problem? Read More »
Vitamin C and zinc are generally safe with prednisone and may support immunity and skin healing – but immune-boosting on an immunosuppressant has real nuance.
Can You Take Vitamin C and Zinc With Prednisone? Read More »
A few supplements – St. John’s wort above all – can genuinely reduce birth control effectiveness by speeding hormone breakdown. The real list, ranked by risk.
What Supplements Make Birth Control Less Effective? Read More »
Soy can reduce levothyroxine absorption and raise your dose needs if eaten too close to the pill. The evidence on isoflavones, timing, and infant formula.
Soy and Levothyroxine: Does Soy Block Your Thyroid Medication? Read More »
PPIs like omeprazole reduce iron absorption by removing the stomach acid iron needs. If your iron isn’t budging, here’s the form, timing, and vitamin C fix.
Omeprazole and Iron: Why Your Supplement Isn’t Working (and the Fix) Read More »
A daily multivitamin with calcium, iron, or magnesium can block levothyroxine if taken together. Which minerals matter and how to time your Synthroid.
Can You Take a Multivitamin With Levothyroxine? Which Minerals Block It Read More »
Folic acid reduces methotrexate side effects without killing its benefit – but timing matters and folinic acid is different. The standard 1 mg/day protocol.
Folic Acid With Methotrexate: How Much and When to Take It Read More »
Oral contraceptives can lower serum zinc, which may show up as acne, lower immunity or mood changes. The evidence and how much zinc is reasonable to replace.
Does Birth Control Deplete Zinc? Skin, Immunity and Mood Read More »
Yes, but space them about 2 hours apart. Iron and magnesium compete for the same gut transporter, so taking them together can blunt how much iron you absorb.
Can I Take Iron and Magnesium Together? Safe, But Space Them 2 Hours Apart Read More »
