The vitamins that should not be taken with Olmesartan is potassium and salt substitutes.
Potassium and salt substitutes are the main vitamin and mineral concerns and are what should not be taken with Olmesartan.
Olmesartan increases your blood potassium and raises your risk for hyperkalemia also known as high potassium which is dangerous.
And you should also be cautious with taking vitamin D3 and multivitamins with minerals along with Olmesartan as they may require adjustment, although specific vitamin interactions are not always clear with Olmesartan.
And before you take any new supplement with Olmesartan you should speak with your doctor to be sure that vitamin is safe to take with Olmesartan.
While potassium is not really a vitamin, it's still crucial to avoid potassium with Olmesartan as Olmesartan raises your potassium levels and can lead to dangerous potassium levels in the body.
So avoid potassium supplements like potassium chloride and salt substitutes like No Salt when taking Olmesartan.
And some interactions are possible between Olmesartan and vitamin D3 so you should check with your doctor before taking Olmesartan with vitamin D3.
And multivitamins with minerals can sometimes decrease the effectiveness of blood pressure medications like amlodipine which is often combined with Olmesartan, so a dose adjustment may be needed or even more frequent blood pressure checks may be needed as well.
And so before you do start on any new vitamin, mineral or herbal supplement, tell your doctor or even your pharmacist that you're taking Olmesartan.
Your doctor or pharmacist can check for any interactions, as the list of interactions with olmesartan is not exhaustive and can also vary based on your own specific health situation.