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NMN for Female Fertility Decline: What the Evidence Actually Shows

Category: reproductive | ICD-10: N97.9 | Evidence tier: mouse-only

What is Female Fertility Decline?

Female fertility declines progressively from the early thirties as oocyte quality and quantity drop. By 40 spontaneous conception rates fall sharply and miscarriage risk rises.

NMN relevance: the published evidence

Mouse studies (Bertoldo 2020 and follow-ups) reported NMN restored oocyte quality in aged mice. There is no completed NMN human RCT measuring live-birth rates. Couples with declining fertility should consult a fertility specialist; NMN is not a fertility therapy.

Questions to ask before supplementing

No human dose validated for fertility.

Contraindications and red flags

Avoid during active IVF cycles unless cleared by your reproductive endocrinologist.

Bottom line for Malaysian patients

NMN is not registered with NPRA as a treatment for any specific condition; it is sold as a general health supplement. If you have female fertility decline, use this page as a question list for a registered medical practitioner before adding NMN to existing therapy. Read our safety guide for full red-flag context.

Related conditions

Cited references