Some vitamins and minerals can cause loose stools or diarrhea, including
magnesium and vitamin C
. Other supplements, such as calcium and iron, can cause constipation. People should speak with a doctor before starting or stopping a vitamin or mineral supplement.
Can one a day vitamins cause diarrhea?
Constipation, diarrhea, or upset stomach may occur. These effects are usually temporary and may disappear as your body adjusts to this medication. If any of these effects persist or worsen, contact your doctor or pharmacist promptly.
Can taking vitamins give you diarrhea?
“Taking vitamins on an empty stomach can frequently upset the
GI tract
,” says gastroenterologist Christine Lee, MD. “Many people experience stomach pains, nausea and even diarrhea.”
Is diarrhea a side effect of multivitamins?
Certain side effects are more likely to occur than others when you're taking multivitamins. These include ( 2 , 3 ): constipation. diarrhea.
What vitamins should not be taken together?
- Magnesium and calcium/multivitamin. …
- Vitamins D, E and K. …
- Fish Oil & Gingko Biloba. …
- Copper and zinc. …
- Iron and Green tea. …
- Vitamin C and B12.
What vitamins give you diarrhea?
Too much
vitamin C
or zinc could cause nausea, diarrhea, and stomach cramps.
What vitamins do you lose when you have diarrhea?
Medicines, a reaction to certain foods, stress, and ordinary colds or flu can cause diarrhea. Prolonged diarrhea can cause dehydration, weakness, fatigue and weight loss. When you have diarrhea, important nutrients such as calories, protein, vitamins, water, sodium and
potassium
are lost.
Why do I always feel sick after taking vitamins?
“Once vitamin C is consumed, you
can get that build-up of acid in the stomach
,” she says. While it's absorbing into your body – a process which can take two to three hours – the high levels of acidity may cause nausea for those with a sensitive stomach.
Why do I feel hot after taking vitamins?
Niacin flush
is a common side effect of taking high doses of niacin supplements. It's uncomfortable, but it's harmless. It appears as a flush of red on the skin, which may be accompanied by an itching or burning sensation ( 1 ). Niacin is also known as vitamin B3.
Is it bad to take a multivitamin every day?
A 2013 editorial in the Annals of Internal Medicine found that
daily multivitamins don't prevent chronic disease or death
, and their use can't be justified — unless a person is below science-based requirement levels.
Can I take all my vitamins at the same time?
Large doses of minerals can compete with each other to be absorbed.
Don't use calcium, zinc, or magnesium supplements at the same time
. Also, these three minerals are easier on your tummy when you take them with food, so if your doctor recommends them, have them at different meals or snacks.
Can I take two vitamins at the same time?
Avoid taking more than one multivitamin product at the same time unless your doctor tells you to
. Taking similar vitamin products together can result in a vitamin overdose or serious side effects. Many multivitamin products also contain minerals such as calcium, iron, magnesium, potassium, and zinc.
Can probiotics give you diarrhea?
Because microbes used as probiotics already exist naturally in your body,
probiotic foods and supplements are generally considered safe
. They may trigger allergic reactions, and may also cause mild stomach upset, diarrhea, or flatulence (passing gas) and bloating for the first few days after starting to take them.
Does fish oil cause loose bowels?
When taken by mouth: Fish oil is likely safe for most people in doses of 3 grams or less daily. Taking more than 3 grams daily might increase the chance of bleeding. Fish oil side effects include
heartburn, loose stools
, and nosebleeds.
Can magnesium cause loose stools?
High doses of magnesium from supplements
or medications can cause nausea, abdominal cramping and diarrhea.
