Does vitamin B12 cause stomach upset?

Does vitamin B12 cause stomach upset?

Injectable vitamin B-12, which is used to treat significant deficiencies, can cause the following side effects: mild diarrhea. itching. skin rash.

What does it feel like to have B12 deficiency?

Constipation, diarrhea, loss of appetite, or gas. Nerve problems like numbness or tingling, muscle weakness, and problems walking. Vision loss. Mental problems like depression, memory loss, or behavioral changes.

Can too much vitamins cause tingling?

Subtle Signs You’re Getting Too Much “There might be hints of concern, but they would be very subtle signs,” he says. These fairly mild symptoms may include difficulty sleeping or concentrating, nerve problems such as numbness or tingling, or feeling more irritable — depending on the nutrient that’s going overboard.

What vitamin deficiency can cause face tingling?

“It was somewhat unexpected that vitamin B12 deficiency can cause isolated facial neuralgia,” Dr. Jitendra K. Baruah, a neurologist based in Milwaukee, told Neurology Reviews. “Treatment for facial neuralgia is sometimes very difficult, and patients may often go into multimodalities treatment without much success.

Is 1000mg B12 too much?

In one 8-week study in 100 older adults, supplementing with 500 mcg of vitamin B12 were found to normalize B12 levels in 90% of participants. Higher doses of up to 1,000 mcg (1 mg) may be necessary for some ( 10 ).

Can B12 make you tingly?

Tingling hands or feet Vitamin B-12 deficiency may cause “pins and needles” in the hands or feet. This symptom occurs because the vitamin plays a crucial role in the nervous system, and its absence can cause people to develop nerve conduction problems or nerve damage.

Is it OK to take 1000 ug of B12 a day?

The usual dose for: diet-related deficiency is 50 micrograms to 150 micrograms, taken once a day. B12 deficiency not caused by your diet is one to two 1,000 microgram tablets, taken once or twice a day – this is usually if you cannot have vitamin B12 injections.