Supplements that interact with warfarin and statins can affect bleeding, clotting, or how your medicine works. Learn which supplements deserve caution and what to ask your pharmacist.

If you take warfarin or a statin, some vitamins, herbs, and popular supplements may affect your medication. This video explains seven important supplement interactions, including high-dose niacin, concentrated garlic, ginger, turmeric, vitamin K, ginkgo, red yeast rice, and St. John's wort.

You'll also learn why vitamin K consistency matters with warfarin, how red yeast rice can act like a statin, and why St. John's wort is one of the best-documented supplement interactions. We also cover other products and foods worth discussing with your doctor or pharmacist, including CoQ10, vitamin E, cranberry, and grapefruit.
Most importantly, you'll learn the warning signs to watch for, how to keep an accurate medication and supplement list, and why you should never start, stop, or change warfarin, a statin, or a supplement without professional guidance.

This video is for educational purposes only and is not medical advice. Always speak with your doctor or pharmacist before making changes to medications or supplements.

CHAPTERS:

00:00 - Supplements That Can Interact With Warfarin & Statins
00:52 - Harold's Supplement Interaction Story
02:00 - How Warfarin and Statins Work
02:27 - How Supplements Affect Medications
03:18 - Why "Natural" Doesn't Always Mean Safe
03:43 - High-Dose Niacin & Statins
04:41 - Garlic, Ginger & Turmeric Supplements
05:24 - Vitamin K & Warfarin
06:39 - Ginkgo & Blood Thinners
07:17 - Red Yeast Rice & Statins
08:27 - St. John's Wort: The Biggest Interaction
09:50 - Other Supplements & Foods to Watch
10:44 - Warning Signs You Shouldn't Ignore
11:16 - What Happened to Harold?
12:13 - The Most Common Supplement Mistake
12:47 - How to Build a Medication & Supplement List
12:56 - What to Ask Your Pharmacist
13:19 - 6 Steps to Stay Safe
13:28 - Which Supplements Are the Problem?
13:51 - The Key Takeaway
14:06 - Subscribe to Honest Isle

If this video helped you, like the video and share it with someone who takes warfarin or statins. Subscribe to Honest Isle for clear, honest breakdowns of supplements and everyday health choices.

Question: Have you ever told your doctor about every supplement you take?

Do you take warfarin or a statin? Here are seven supplements that public health sources say may interact with these medicines, and what to ask your doctor or pharmacist. This video is for educational purposes only and is not medical advice. Do not start, stop, or change any medication or supplement without talking to your healthcare provider. Sources: NIH Office of Dietary Supplements, NIH National Center for Complementary and Integrative Health, FDA consumer updates on red yeast rice, and prescribing information for warfarin and statins." Add direct links to each source you show on screen.
Before recording, please check these points against current sources:

The red yeast rice and FDA statements
The St. John's wort interaction details
The statin and grapefruit specifics
The vitamin K guidance for warfarin