In general, the symptoms of vitamin toxicity include nausea, gastrointestinal problems like constipation and diarrhea, hair loss, rashes, and nerve damage.

High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache. Nausea and vomiting.

Taking too much can cause side effects like nausea, headache, dizziness, and in rarely, blood clots or cancer.

24 февр. 2024 г. · Taking too much vitamin B can also upset your digestive system as well. Some people experience indigestion, nausea, or mild diarrhoea after ...

In some cases, too much Vitamin B can result in gastrointestinal problems like diarrhea, vomiting and indigestion. Others have also reported experiencing nausea ...

Taking 200mg or more a day of vitamin B6 [LK2] can lead to a loss of feeling in the arms and legs known as peripheral neuropathy. This will usually improve once ...

10 янв. 2024 г. · Other symptoms of too much B12 · Pain · Headache · Itching · Skin rash · Fever · Shortness of breath · Rapid weight gain. Other possible severe ...

Taking too much of some B vitamins may have adverse effects, like diarrhea, rashes, and headaches. Takeaway. B vitamins are essential for the proper working of ... Vitamin B5 · What is Vitamin B1 (Thiamine)? · Vitamin B12 · Niacin (Vitamin B3)

However, no studies have yet found any adverse symptoms or patterns of harm. Specialists divide vitamins into two categories: water soluble and fat soluble. How much is too much? · Side effects · Blood levels