Supplements To ConsiderExcerpted from Fertility Cycles and Nutrition by Marilyn Shannon | ||
Supplement | Amount | Comments on Safety |
| Vitamin A | 5,000 – 20,000 IU | 20,000 IU maximum if pregnant |
| Vitamin B1 | 25-100 mg | Toxicity rare. |
| Vitamin B2 | 25-100 mg | No Toxicity reported |
| Niacin (B3) | 25-100 mg | Known toxicity begins at 750 mg. Use niacinamide |
| Pantothenic | 25-100 mg | No Toxicity reported |
| Choline | 25-100 mg | May cause depression at much higher levels |
| Inositol | 25-100 mg | No known toxicity |
| Para-Aminobenzoic Acid (PABA) | 25-100 mg | No data from Hausman |
| B12 | 25-100 mg | No toxicity reported; rarely, may mask folic acid deficiency |
| Biotin | 25-100 mg | No toxicity reported |
| Folic Acid | 400-2,000 mcg | Relatively safe even at 5,00-10,000 mcg. Requires vitamin C. |
| Vitamin C | 1,000-2,000 mg | May decrease copper levels. Relatively safe except in iron overloaded diseases |
| Vitamin D | 400-600 IU | Most toxic vitamin toxicity reported at 1200 IU |
| Vitamin E | 400-600 IU | Considered safe at 1000 IU even by its opponents |
| Calcium | 500-1000 mg | Need to take a Calcium Citrate and half as much magnesium. Maximum is 1500 mg. |
| Magnesium | 500-1000 mg | No toxicity reported from supplements. |
| Iron | 0-30 mg | 18-30 mg per day safe maximum Can’t use iron from ferrous sulfate. |
| Iodine | 150 mcg | Toxic at high levels |
| Copper | 150 mcg | Toxic at high levels |
| Zinc | 25-50 mg | Too much zinc decreases copper. Some suggest a maximum of 25 mg. |
| Maganese | 10 mg | Low toxicity |
| Potassium | from diet | No toxicity reported for over the counter preparations. |
| Chromium | 150 mcg. | No known toxicity at this level. |
| Selenium | 50-200 mcg | 500 mcg is safe max, for total intake – diet plus supplements. |
** Please take your prenatal vitamins and compare to these requirements. We recommend Intramax vitamins monthly.
