Best fertility vitamins for women

There are a lot of vitamins out there. Studies show that some fertility vitamins can improve pregnancy rates, but other studies show that regular multi-vitamins can also improve fertility. No studies to date have shown that any fertility supplements are superior to multi- or pre-natal vitamins.

Since most muli-vitamins are comparatively low on folic acid and iron, and fertility vitamins are over 10x the cost, we recommend taking pre-natal vitamins to improve your fertility. But buyer beware, not all pre-natal vitamins are the same.

According to WebMD your pre-natal vitamin should have the following ingredients:

Therefore, we recommend Nature Made Prenatal Muli-Vitamins, available at Amazon for about $0.07/day

It delivers almost the identical doses recommended above:

Why isn't chasteberry (vitex) on this list?

Efficacy of Fertility Blend for Women

The study below demonstrates that it's a lot better than doing nothing; however no studies to date prove that it's better than other multivitamins. The study's author is a member of Fertility Blend's Advisory Board, but it seems to have been conducted in an objective way.

Double-blind, placebo-controlled study of FertilityBlend: a nutritional supplement for improving fertility in women.

Westphal LM, Polan ML, Trant AS. Department of Gynecology/Obstetrics, Stanford University School of Medicine, Stanford, CA 94305, USA.

PURPOSE: To determine the impact of nutritional supplementation on female fertility. METHODS: A double blind, placebo-controlled study of the effects of FertilityBlend for Women, a proprietary nutritional supplement containing chasteberry, green tea, L-arginine, vitamins (including folate) and minerals, on progesterone level, basal body temperature, menstrual cycle length, pregnancy rate and side-effects. RESULTS: Ninety-three (93) women, aged 24-42 years, who had tried unsuccessfully to conceive for six to 36 months, completed the study. After three months, the FertilityBlend (FB) group (N = 53) demonstrated a trend toward increased mean mid-luteal progesterone (P(ml)), but among women with basal pretreatment P(ml) < 9 ng/ml, the increase in progesterone was highly significant. The average number of days with luteal-phase basal temperatures over 98 degrees F increased significantly in the FB group. Both short and long cycles (< 27 days or > 32 days pretreatment) were normalized in the FB group. The placebo group (N = 40) did not show any significant changes in these parameters. After three months, 14 of the 53 women in the FB group were pregnant (26%) compared to four of the 40 women in the placebo group (10%; p = 0.01). Three additional women conceived after six months on FB (32%). No significant side-effects were noted. CONCLUSION: Nutritional supplements could provide an alternative or adjunct to conventional fertility therapies.

PMID 17211965 (Abstract) -- Full Article from "Clinical and Experimental Obstetrics and Gynecology" Vol XXXIII, n.4, 2006, 205-208

Fertility Blend is available at Amazon ($1/day) - though customer reviews are quite mixed.

Whatever you do, take some kind of multivitamin, preferrably one that is high in Iron and Folic Acid ("Folate"). It not only helps your baby develop, it helps your egg develop:

Use of multivitamins, intake of B vitamins, and risk of ovulatory infertility.

Chavarro JE, Rich-Edwards JW, Rosner BA, Willett WC. Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts 02115, USA.

OBJECTIVE: To examine whether use of multivitamins and intake of specific nutrients in multivitamins is associated with ovulatory infertility. DESIGN: A prospective cohort study. SETTING: The Nurses' Health Study II. PATIENT(S): Eighteen thousand five hundred fifty-five married, premenopausal women without a history of infertility who attempted a pregnancy or became pregnant between 1991 and 1999. INTERVENTION(S): None, observational study. MAIN OUTCOME MEASURE(S): Incident reports of infertility caused by anovulation. RESULT(S): During 8 years of follow-up, 438 women reported infertility caused by ovulatory disorder. There was an inverse association between frequency of multivitamin use and ovulatory infertility. The multivariate-adjusted relative risk (95% confidence interval) of ovulatory infertility was 0.88 (0.60, 1.28) for women consuming two tablets per week or less, 0.69 (0.51, 0.95) for women consuming three to five tablets per week, and 0.59 (0.46, 0.75) for women consuming six or more tablets per week, when compared with women who did not use these supplements (P, trend <.001). Folic acid appeared to explain part of the association between multivitamin supplement use and risk of ovulatory infertility. CONCLUSION(S): Regular use of multivitamin supplements may decrease the risk of ovulatory infertility.

PMID: 17624345 (Abstract)

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