Can You Take Coreg With Sea Moss?
In our latest question and answer, the pharmacist discusses the combined use of sea moss with Coreg (carvedilol).
Is the blood pressure medicine Coreg (carvedilol) compatible with sea moss gummies?
May 25, 2026- Sea moss has no known interaction with carvedilol and is not expected to lower blood pressure or cause additional blood pressure effects. The main concern with sea moss is its iodine content, which matters mainly for people taking thyroid medications or with thyroid disease history. Let your doctor know you're taking sea moss, especially if you have any thyroid concerns or take prescription medications.
Answer
Hello, and thanks for your question!
There is no known direct interaction between carvedilol and sea moss gummies.
Interaction Details
Sea moss is a type of red seaweed, also known as Irish moss. It is commonly used as a food ingredient and as a source of carrageenan. It is also sold as a supplement, including in gummy form, for general wellness, mineral support, digestive health, energy, and immune support.
Importantly, sea moss is not known to lower blood pressure. It is also not expected to have an additive blood pressure lowering effect with carvedilol. In other words, based on available information, sea moss would not typically be expected to make carvedilol work too strongly or cause low blood pressure by itself.
Because of this, carvedilol and sea moss gummies are generally considered compatible with one another.
The main concern with sea moss is its iodine content. Sea moss may be more of a concern for people who take thyroid medication, antithyroid medication, or have a history of thyroid disease. In those cases, it would be a good idea to check with a healthcare provider before using sea moss regularly.
Final Words
As with any supplement, it is best to use a reputable product and monitor how you feel when starting it. Also, be sure to let your doctor know you are taking sea moss, especially if you take prescription medications or have any thyroid concerns.
Thanks again for reaching out!
References & sources
- Comparative evaluation of physicochemical profile and bioactive properties of red edible seaweed Chondrus crispus subjected to different drying methods — PubMed
- Clinical effects of overwintered-stressed Chondrus Crispus and non-overwintered-stressed Chondrus crispus dietary supplementations — ResearchGate
Glossary — Terms in This Answer
- Carvedilol
- A prescription medication that lowers blood pressure and is used to treat heart conditions.
- Interaction
- A reaction that occurs when two substances affect each other's effectiveness or safety in the body.
- Seaweed
- A marine plant that grows in the ocean and is used in food and supplements.
- Carrageenan
- A thickening substance extracted from seaweed that is commonly used in food products.
- Additive
- Relating to effects that combine together to create a stronger total result.
- Iodine
- A mineral element that the body needs for proper thyroid function and metabolism.
- Thyroid medication
- Prescription drugs used to treat diseases of the thyroid gland, which controls metabolism.
- Antithyroid medication
- Prescription drugs used to reduce the activity of an overactive thyroid gland.
Dr. Brian Staiger, PharmD
Doctor of Pharmacy, board certified clinical pharmacist (BCPS), American Herbalist Guild, Medication Therapy Management certified
Brian Staiger, PharmD, BCPS, is a licensed pharmacist with more than 13 years of experience across retail pharmacy, clinical pharmacy, medication safety, pharmacy program development, and healthcare administration. He is the founder of HelloPharmacist.com, where he helps patients...
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