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Best Fertility Supplements for Women
Written by Marina Carter
Fertility Health Writer at FertilitySmart
Marina writes on reproductive health and fertility nutrition, drawing on NHS guidance, the GB Nutrition and Health Claims Register, and peer-reviewed research. Last reviewed: July 2026.
What are the best fertility supplements for women?
The best fertility supplements for women are evidence-led food supplements that combine nutrients with authorised health claims relevant to reproductive health, such as folate, zinc and vitamin B6, in amounts suited to the preconception period. There is no single "best" product for everyone. The strongest options bring together the nutrients most consistently studied for people trying to conceive, taken alongside a balanced diet and appropriate medical care. FertilitySmart's Conceive for Women is formulated around this principle.
When comparing products, look past marketing language and check the label against three things: whether each nutrient carries an authorised GB health claim, whether the amounts are meaningful for the preconception period, and whether the formulation is transparent about what it contains. The sections below rank the nutrients worth looking for, explain how to choose, and set realistic expectations on timing.
In short: a well-formulated women's fertility supplement provides folate, zinc, vitamin B6, vitamin B12, iron, vitamin E and selenium, and may include coenzyme Q10. See how these appear in Conceive for Women.
Which nutrients should the best fertility supplements for women contain?
A strong women's fertility supplement is built around nutrients that hold authorised health claims on the GB Nutrition and Health Claims Register, the official list of wording permitted for vitamins and minerals in Great Britain. The table below shows the key nutrients, the exact authorised claim for each, and whether it appears in Conceive for Women. The wording is quoted verbatim from the register, which is why it is precise rather than promotional.
| Nutrient | Authorised GB health claim (verbatim) | In Conceive for Women |
|---|---|---|
| Folate (folic acid) | "Folate contributes to maternal tissue growth during pregnancy" | Yes |
| Zinc | "Zinc contributes to normal fertility and reproduction" | Yes |
| Vitamin B6 | "Vitamin B6 contributes to the regulation of hormonal activity" | Yes |
| Vitamin B12 | "Vitamin B12 contributes to normal red blood cell formation" | Yes |
| Iron | "Iron contributes to normal formation of red blood cells and haemoglobin" | Yes |
| Vitamin E | "Vitamin E contributes to the protection of cells from oxidative stress" | Yes |
| Selenium | "Selenium contributes to the protection of cells from oxidative stress" | Yes |
| Coenzyme Q10 (CoQ10) | No authorised health claim. A compound naturally present in the body and involved in energy production within cells. | Yes |
Authorised claims are quoted from the GB Nutrition and Health Claims Register. CoQ10 is included for completeness; it does not hold an authorised health claim, so no benefit is claimed for it here.
How do you choose a fertility supplement for women?
Choosing a fertility supplement comes down to matching the formulation to the preconception period rather than chasing a long ingredient list. Start with the nutrients that hold authorised claims, check the amounts, and prefer a transparent label from a UK-based brand that states its formulation openly. The points below are a practical checklist you can use.
- Folate first. The NHS recommends 400 micrograms of folic acid daily while trying to conceive and for the first 12 weeks of pregnancy. This is the one nutrient with a specific preconception recommendation for everyone trying to conceive.
- Authorised claims, not slogans. Look for nutrients whose benefits are described in register wording, as in the table above, rather than promotional slogans that are not permitted and not evidence-based.
- Sensible amounts. Amounts should be meaningful but within safe upper limits. More is not better, particularly for fat-soluble vitamins and iron.
- Transparency. A trustworthy label lists every nutrient and its amount, and is clear about what it does not contain.
- Fit with your circumstances. If you take prescription medication, have a diagnosed condition, or are under fertility care, check any supplement with your GP or specialist first.
FertilitySmart's Conceive for Women was designed against this checklist, combining the register-backed nutrients above in a single daily supplement. If you want a fuller walkthrough of how to read a label and how folate forms differ, our in-depth guide to fertility supplements for women and men covers the underlying research in one place.
How long do fertility supplements take to work for women?
Most fertility nutrition research uses study periods of three to six months, and a consistent daily intake over at least three months is generally suggested before you judge results. The reason is biological: it takes roughly three months, about 85 to 90 days, for a small antral follicle to grow and mature into an ovulation-ready egg (the final, hormone-driven stage of egg development, since the full journey from a dormant follicle takes closer to a year), so the nutrients you take are thought to be most relevant across that window. Three months can feel like a long stretch when you are trying to conceive, which is why steady, daily consistency tends to matter more than speed. Supplements support your body's normal processes; they do not act as a quick fix, and they cannot reverse age-related changes to egg number or quality.
Are fertility supplements for women safe?
Well-formulated fertility supplements contain vitamins and minerals that are generally well tolerated when you take them as directed, though a few points are worth knowing before you start. Some ingredients can interact with prescription medicines, including hormonal treatments and blood thinners, so tell your doctor or pharmacist what you are taking, especially during fertility treatment. Iron and fat-soluble vitamins have safe upper limits, which is another reason to avoid stacking multiple products.
One herb deserves a specific note. Chasteberry (Vitex agnus-castus) is traditionally used in some approaches to menstrual wellbeing, but it holds no authorised GB health claim and is not included in Conceive for Women. It should not be taken during pregnancy or breastfeeding, and anyone using hormonal medication or fertility treatment should seek medical advice before taking it. If you have been trying to conceive for 12 months, or sooner if you are aged 36 or over, speak with your GP or a fertility specialist.
A daily women's fertility supplement built around the register-backed nutrients above.
Frequently asked questions
What vitamins should I take when trying to conceive?
Folic acid is the priority: the NHS recommends 400 micrograms daily before conception and during early pregnancy. Beyond that, nutrients commonly included in women's fertility supplements are zinc, vitamin B6, vitamin B12, iron, vitamin E and selenium, with coenzyme Q10 sometimes added. The right combination depends on your individual health needs, so ask your healthcare provider for personalised advice.
What is the best fertility supplement for women?
There is no single best product for everyone. The most useful supplements combine nutrients that carry authorised GB health claims, such as folate, zinc and vitamin B6, in amounts suited to the preconception period, and come from a transparent, UK-based brand. Conceive for Women is formulated on that basis.
Can supplements support egg quality?
Antioxidant nutrients such as vitamin E and selenium contribute to the protection of cells from oxidative stress, and coenzyme Q10 is involved in cellular energy production. Age remains the most significant factor affecting egg quality, and supplements cannot reverse age-related changes. They may support the body's normal processes alongside other healthy lifestyle choices.
How long do fertility supplements take to work?
It takes roughly three months (about 85 to 90 days) for a small antral follicle to grow into an ovulation-ready egg, the final hormone-driven stage of egg development; the complete journey from a dormant follicle takes closer to a year. Most fertility nutrition research uses study periods of three to six months, and consistent daily intake over at least three months is generally recommended before evaluating results.
Do I still need fertility supplements if I eat a healthy diet?
A balanced diet is the foundation of reproductive health. Even so, folic acid is recommended as a supplement before and during early pregnancy, because the amounts needed can be difficult to obtain from food alone. Individual needs vary, so discuss your diet and supplement use with a healthcare professional.
References
- NHS. Vitamins, supplements and nutrition in pregnancy. National Health Service. Accessed July 2026.
- Department of Health and Social Care. Great Britain Nutrition and Health Claims (NHC) Register. Accessed July 2026.
- National Institute for Health and Care Excellence. Fertility problems: assessment and treatment. NICE guideline NG257 (2026).
- Showell MG, Mackenzie-Proctor R, Jordan V, Hart RJ. Antioxidants for female subfertility. Cochrane Database of Systematic Reviews.
- Human Fertilisation and Embryology Authority (HFEA). hfea.gov.uk. Accessed July 2026.
Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. This information is for general educational purposes and is not medical advice. If you are trying to conceive or have concerns about your fertility, consult your GP or a qualified healthcare professional.