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Doctor insights on: How Long Does It Take Your Body To Absorb B Complex Vitamins

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How long does it take your body to absorb b complex vitamins?

How long does it take your body to absorb b complex vitamins?

Only minutes: In most cases b complex will be absorbed quite quickly. One way of verifying this is to see how long it takes between taking a potent b complex and how long it takes to see your urine turn dark yellow & smell like vitamins (caused by b1 & b2). For them to appear in your urine they must be absorbed into your bloodstream and then be filtered by your kidneys, but this can happen within an hour. ...Read more

Dr. Payam Mehranpour
235 doctors shared insights

B Complex (Definition)

B-complex, folic acid, vitamin E, vitamin C is ...Read more


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Is it ok to take Vitamin B complex capsules regularly for a long time? Should I take the zinc ones or the non zinc ones?

Is it ok to take Vitamin B complex capsules regularly for a long time? Should I take the zinc ones or the non zinc ones?

Vitamins: There is seldom any need to take vitamin supplements in the USA with a balanced diet, but if you do take them follow the directions and do not take more than one each day and it will not hurt you. Zinc is the same. You can choose to do this or not. Very few people are zinc deficient. Good luck and stay healthy. ...Read more

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Vitamin b complex caused me to break out in acne, after taking it for a year, how long will it take for my skin to improve? I've stopped taking it.

Vitamin b complex caused me to break out in acne, after taking it for a year, how long will it take for my skin to improve? I've stopped taking it.

There's no telling: Trying to figure out what's causing one to have acne is futile. Ignore all "pop" ideas and start using topical benzoyl peroxide 1-2x daily, perhaps 5%. It's not pleasant but it's your best friend. If it doesn't clear you, your physician can add prescription strength Rx. My acne remitted when I was 50; yours will too, someday. Until then, manage it like the serious medical problem that it is. ...Read more

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Do i take vitamin b complex with magnesium or can I take vitamin B12 ? For better absorption of magnesium. Currently also take vit D3 thanks

Do i take vitamin b complex with magnesium or can I take vitamin B12 ? For better absorption of magnesium. Currently also take vit D3 thanks

OK but not 4 absorb.: It is perfectly fine to take b complex/b12 with magnesium but won't enhance absorption. Magnesium is best absorbed on an empty stomach ; b vits can cause stomach upset on empty stomach. B vits, esp. B6, often work in synergy with mag. The best-absorbed forms of mag. Are glycinate ; taurate; citrate is ok too. Epsom salt baths ; topical "magnesium oil" are also good ways to get magnesium into you. ...Read more

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Took Vitamin C_1000mg + B-Complex (500mg of C ) for 3 days then tingling began on my body, mostly hand and feet. Stopped intake. How long for relief?

Unlikely causes: Unless you are allergic to some of the OTHER junk that they fill these tablets with or if there were artificial colors, sweeteners, fillers, etc. then, in my opinion your symptoms are coincidental to taking the pills not caused by them. B-complex is used to treat such symptoms. Vitamin C itself would not in any way damage nerves in 3 days or 3000 days for that matter. Gotta look for other reasons ...Read more

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Are b-complex vitamins capsules safe to take?

Depends: Although b vitamins are water soluble, which means you don't store them, excessive amounts are not recommended. Instead eat green, cruciferous vegetables and wild fish like salmon to get all the b vitamins you need. ...Read more

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I take B - complex vitamin with my daily men's vitamin. I take it to boost my energy. Can to much B, hurt?

I take B - complex vitamin with my daily men's vitamin.  I take it to boost my energy.    Can to much B, hurt?

Yes.: Even though B vitamins are water soluble and not stored in our fat like the fat soluble vitamins (A, D, E, K), too much of certain Bs, like B6 and B3 (niacin,) can get you in trouble. Going above 200 mg a day of B6 has the potential to cause numbness and other nerve problems. High doses of Niacin (2000 mg a day) can lead to elevated liver enzymes, jaundice and nausea. ...Read more