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Am I taking too much vitamins? (Healthcare professionals and serious answers only please)?


Hi! I am a 28 (almost 29) year old female and I'm in great health. I exercise 5-6 days a week, almost for 2 hours daily, and I do quite a bit of weight training with my cardio. I am on protein supplements and I also take multivitamins daily. I am wondering if I'm overdoing it on vitamins. I know you can consume too much of certain vitamins, with the results being toxic, so I'm wondering how much is too much? Here is what I'm consuming daily just from the supplements (not including my healthy diet):

Vitamin A: 3750 IU (plus a little more from protein shake)
Vitamin C: 350mg (plus a little more from protein shake)
Vitamin D-3: 600
Vitamin E: 100 IU ( plus a little more from protein shake)
Thiamine: 25mg (plus a little more from ps)
Riboflavin: 12.5mg (+ a little more from ps)
Niacin: 47.5mg (+ a little more from ps)
Vitamin B-6: 25mg (+ a little more from ps)
Folic Acid: 1000 mcg (+ a little more from ps)
Vitamin B-12: 62.5 mcg (+ a little more from ps)
Biotin: (+ a little more from ps)
Pantothenic Acid: 125mg (+ a little more from ps)
Calcium: 1125mg (+ a little more from ps)
Iodine: 50mcg (+ a little more from ps)
Magnesium: 125mg (+ a little more from ps)
Zinc: 6.5mg (+ a little more from ps)
Selenium: 50mcg (+ a little more from ps)
Copper: 0.5mg (+ a little more from ps)
Manganese: 2.5mg (+ a little more from ps)
Chromium: 50mcg (+ a little more from ps)
Molybdenum: 25mcg (+ a little more from ps)
Potassium: 25mg

Everything extra on the protein shake said 20% DV except for the Vitamin C, which was 60% DV and Calcium which was 50% DV. So, those are added.

Can someone please tell me if I'm consuming too much of something or if I'm okay? And please give your source. Thank you!


Comments (5) Trackbacks (0)
  1. There are fat soluble and water soluble vitamins. Fat soluble vitamins are stored in the body (fat), while water soluble vitamins are excreted daily. You can overdose on fat soluble vitamins (A, D, E, K), but not water soluble (B, C) vitamins (body uses what it needs, gets rid of the rest). You can look up the recommended daily allowance of A, D, E and K to see if you are over the limit.

    Some good sites:
    http://www.ehow.com/how_2356_know-recommended-dietary.html
    http://www.merck.com/mmhe/sec12/ch154/ch154a.html
    http://en.wikipedia.org/wiki/Recommended_Dietary_Allowance

  2. Getting what you need from food is better than the vitamin thing.

  3. You have to be careful mainly with fat soluble vitamins eg. Vitamin A. those are the kinds you are most likely to overdose on. As for the rest of the vitamins you’re likely to pee them out if your body doesn’t use them.

  4. It is possible to take too much of certain vitamins, yes.

    Vitamins A, D, E, and K are "fat soluble" and you have to watch that you don’t take too much of them. Most other vitamins will flush out of your system on their own.

    Too much (or too little) of some of them (potassium and calcium, for example) can throw the body off and affect the heart rhythm.

    I’m not at all sure about the nonessential elements.

    You should stick close to the "recommended daily allowances" and not get too far above that.

  5. I scanned your list and this is what I can tell you:

    1. Vitamin C and B (any) are all water soluble so you can’t overdose, any excess will flesh out of your via your kidneys. Really yellow urine is full of excess B and C. So the mice, rats and snakes which live in your sewer system will be really healthy!

    2. Too much IRON can cause liver damage. Those who are anemic, and are taking iron supplements, have their blood tested and the key test for Iron in the liver is Ferritin, which measures the iron stores in your liver. For the anemic person, if Ferritin is found to be less than a 5 they might put a person into a hospital. Normal Ferritin levels are 35 to 200. Higher than 200 is a problem.

    3. I googled Folic Acid, and found a web site that says the max dose you should take per day is 1,000 mg. However I’m not sure if you would absorb that much even if you did take that much. Since Folic Acid is what you’d get naturally in fresh fruits and vegetables.

    I can’t imagine that you could overdose on too much fruit or veggies.

    http://www.nutritional-supplements-health-guide.com/folic-acid-overdose.html

    4. Let me suggest you google everything on your list. Overdose comments found on Yahoo answers should not always be taken seriously. Comments from web sites of firms selling supplements should not be taken seriously.

    Comments from sites like the Mayo Clinic or Johns Hopkins or Cleveland Clinic, or Web-MD can be taken seriously.


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