Retinol vs beta carotene: a dietitian explains why food beta-carotene is the safer source, who converts it poorly, and when retinol pills are risky.
Retinol vs Beta-Carotene: Which Vitamin A Form Is Safer? Read More »
The best at-home vitamin D (25-OH-D) finger-prick tests compared – accuracy, CLIA labs, price – and how to act on the result.
Best At-Home Vitamin D Tests (2026): Top Finger-Prick Kits 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 »
Plain vitamin D does not interact with warfarin or DOACs, but the K2 in many D3+K2 combos does. Pick a D-only form, keep levels steady, and ask your prescribe
Can I Take Vitamin D With Blood Thinners? What Warfarin and Eliquis Users Need to Know Read More »
Yes, magnesium and vitamin D are safe together and even synergistic: magnesium activates vitamin D. No spacing needed. Here is the safe way to take both.
On methotrexate? See which supplements are safe to add, why folic acid is standard, and what to avoid or space apart. Education only – never replaces your pre
On warfarin? See which supplements are safe to add, which raise bleeding risk or shift your INR, and why every change goes through your pharmacist first.
Best Supplements for Warfarin & Blood Thinner Users (and What to Avoid) Read More »
On Ozempic, Wegovy or semaglutide? See the 3 supplements worth adding, what to space apart, and the red flags. A supplement supports, it never replaces your p
On an SSRI? See 3 supplements that are evidence-backed and safe to add, the serotonin-syndrome avoid list (St John’s wort, 5-HTP, tryptophan), and the red fla
