Nov 26, 2025 · Like most supplements, vitamin B complex can cause side effects, depending on the dose and type of vitamin B. Find a list of possible side effects here.

Jun 6, 2024 · Here are the health benefits of B-complex vitamins, as well as dosage recommendations and potential side effects.

Aug 12, 2025 · What are the serious side effects of vitamin B complex? While less common, the most serious side effects of vitamin B complex are described below, along with what to do if they...

Apr 27, 2024 · Learn about the side effects of Vitamin B Complex 100 (multivitamin), from common to rare, for consumers and healthcare professionals.

Jan 8, 2024 · Excessive amounts of vitamin B6 from supplements can cause severe effects. So, the National Institutes of Health advises that the upper limit of vitamin B6 is 100 mg per day.

These effects vary depending on the specific B vitamin and individual sensitivities. Common side effects include gastrointestinal discomfort, nausea, and skin reactions. Some individuals also report …

3 days ago · Taking a vitamin B complex can help maintain proper body function, but side effects of vitamin B complex can appear if there is an allergic reaction or overdose.

Side effects of Vitamin B Complex are rare because it is water-soluble and excreted through urination. But high dosage intake of Vitamin B complex could lead to some side effects, like:

May 2, 2025 · Find out the important B complex side effects warnings to watch for when taking supplements. Learn how to avoid risks and stay healthy.

Oct 17, 2023 · B complex supplements offer a combination of different B vitamins, providing a convenient way to ensure you are meeting your daily requirements. In this article, we will explore the …