It can be tempting to assume that "more" equals "better" when
comparing types of vitamins and minerals included in prenatal vitamins.
However, research shows that taking excessive amounts of vitamins can
be just as harmful, if not more, as not taking any. What should you
look for when you are choosing a prenatal vitamin?
Below is a list of the Dietary Reference Intakes as recommended for
pregnancy by the Food and Nutrition Board, National Academy of
Sciences, Institute of Medicine (1998) to help you get started.
Calcium - 1300mg (under age 19), 1,000mg (over 19)
Phosphorus - 1250mg (under age 19); 700mg (over 19)
Mine are either 150mg or 250mg. Either way it isn't even close to what you are supposed to get while pregnant. My OB told me to take a calcium supplement as well that was at least 1000mg/day. I think all prenatals fall short of the recommended calcium levels.
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The calcium is probably so low in the supplements because calcium inhibit the absorption of lots of other vitamins and minerals. If you don't get much from your diet, taking an extra supplement or two would be great.
Re: calcium
https://pregnancychildbirth.suite101.com/article.cfm/prenatal_vitamins
Are all prenatal vitamins the same?
It can be tempting to assume that "more" equals "better" when comparing types of vitamins and minerals included in prenatal vitamins. However, research shows that taking excessive amounts of vitamins can be just as harmful, if not more, as not taking any. What should you look for when you are choosing a prenatal vitamin?
Below is a list of the Dietary Reference Intakes as recommended for pregnancy by the Food and Nutrition Board, National Academy of Sciences, Institute of Medicine (1998) to help you get started.
Calcium - 1300mg (under age 19), 1,000mg (over 19)
Phosphorus - 1250mg (under age 19); 700mg (over 19)
Iron - 30mg
Zinc - 15mg
Iodine - 175ug
Magnesium - 400mg (under age 19); 360mg (over 19)
Vitamin A - 800RE
Vitamin D - 5ug
Vitamin E - 10mg
Vitamin C - 70mg
Folic Acid - 600ug
Thiamin - 1.4mg
Riboflavin - 1.4mg
Niacin - 18mg
Vitamin B6 - 1.9mg
Vitamin B12 - 2.6ug
I'm not sure off the top of my head, but I try to buy OJ with calcium and drink/eat lots of dairy (for the protein too).
I am supplementing my magnesium though, once I started to get horrific night leg cramps!