possible interaction between calcium supplements and levothyroxine (Synthroid, etc.)

April 1998

New reports suggest a possible interaction between calciumsupplements and levothyroxine (Synthroid, etc).

Lots of people take both levothyroxine and calcium...especially women.

Levothyroxine may be less effective if it's taken with acalcium supplement such as Tums or Os-Cal.

Get concise advice on drug therapy, plus unlimited access to CE

Pharmacist's Letter membership benefits include:

12 issues every year — what you need to know and do, right now
Quick, practical reference charts and tools
Comprehensive CE library to meet license renewal and state requirements
Multiple course formats including live webinars, podcasts, and CE-in-the-Letter to match your learning style
Plus much more!

Choose the right tier for your needs today.

Already a subscriber? Log in

Volume pricing available. Get a quote