NAD and Fertility
Supporting cellular energy, repair, and reproductive health
Understanding NAD
NAD, or nicotinamide adenine dinucleotide, is a naturally occurring molecule found in every cell of your body.
It plays a central role in:
- Cellular energy production
- DNA repair
- Mitochondrial function
- Cellular resilience and aging
In fertility care, this matters because egg and sperm quality depend heavily on how well cells are able to produce energy and maintain integrity over time.
Why NAD is being explored in fertility care
Fertility is not only about timing or hormones. It is also about the quality and stability of the cells involved.
There is now substantial and growing mechanistic evidence showing that NAD is involved in many of the core processes that support reproductive health:
- Energy production within eggs and sperm
- DNA repair and protection
- Regulation of oxidative stress
- Mitochondrial function
- Early embryo development
In research settings, NAD has been shown to support these systems in ways that are highly relevant to fertility.
What the research tells us,
and what it does not yet tell us
It is important to be clear and transparent about where the science currently stands.
What is well supported:
- NAD plays a central role in cellular energy and repair
- NAD levels decline with age and stress
- Lower NAD levels are associated with reduced cellular efficiency
- Preclinical studies (including animal and cellular models) show improvements in:
- Egg quality
- Embryo development
- Sperm function
What is still emerging:
- Direct evidence showing improved pregnancy or live birth outcomes in humans
- Large-scale clinical trials in fertility patients
- Standardized treatment protocols
In other words:
The biological foundation is strong and compelling,
but direct outcome-based fertility evidence is still developing.
Safety and clinical use
NAD has been used in a range of clinical settings, including intravenous therapy.
Short-term use, particularly when administered in a controlled and supervised setting, appears to be well tolerated for most individuals.
Some patients may experience temporary effects during treatment, such as:
- Warmth or flushing
- Mild nausea
- Chest or abdominal tightness if administered too quickly
These effects are typically minimized by adjusting the rate of administration.
At this time:
- There are no large-scale long-term studies on NAD IV use
- There are no fertility-specific safety trials
Because of this, we use NAD in a measured and conservative way, most often in short, one-month protocols, and only when it is appropriate for your specific case.
How we use NAD at Yinstill
When appropriate, NAD may be offered as part of a short, structured protocol, typically:
1-month duration
This approach allows us to:
- Support cellular function during a meaningful window
- Align with key phases of a fertility plan (natural or IVF)
- Assess response without overextending treatment unnecessarily
NAD is always used:
- Case-by-case
- As an optional addition, not a requirement
- Within the context of a broader, structured care plan
When NAD may be considered
We may discuss NAD in situations where additional cellular support could be helpful, such as:
- Age-related fertility considerations
- Egg quality concerns
- Male factor fertility, including sperm quality or DNA integrity
- High stress or depletion patterns
- Preparation for or support during IVF
A measured, thoughtful approach
At Yinstill, our focus is not on adding more treatments, but on adding the right support, at the right time, for the right reasons.
NAD is one of several tools that may help support:
- Cellular energy
- Repair processes
- Overall resilience
Some patients choose to include it. Others do not.
Both approaches are appropriate.
Moving forward
Fertility care can often feel complex or overwhelming.
Our goal is to bring clarity and structure, and to support your body in a way that is calm, consistent, and grounded.
NAD is one piece of that approach.
If it is relevant for your care, we will walk you through it and help you decide whether it fits into your plan.
References
NAD, Aging, and Cellular Function
Braidy et al. 2011 Age related changes in NAD metabolism oxidative stress and SIRT1 activity
Verdin 2015 NAD in aging metabolism and neurodegeneration
Rajman et al. 2018 NAD metabolism and energy homeostasis
Female Fertility, Oocyte Quality, Ovarian Aging
Bertoldo et al. 2020 NAD repletion rescues female fertility in aged mice
Zhang et al. 2020 NAD regulates oocyte quality and meiotic integrity
Miao et al. 2020 NAD metabolism and oocyte meiosis
Embryo Development and Mitochondrial Function
Wu et al. 2019 NAD metabolism in embryo development
Xie et al. 2021 mitochondrial function and embryo quality
Male Fertility, Sperm Function, DNA Integrity
Amaral et al. 2013 mitochondrial function and sperm motility
Aitken and Baker 2006 oxidative stress and sperm DNA damage
Cortez et al. 2019 NAD and male reproductive health
Pregnancy and Miscarriage Models
Vera et al. 2020 NAD deficiency and miscarriage prevention
NAD Supplementation and Safety
Dunning et al. 2013 Intravenous NAD therapy for addiction pilot study
Rafferty et al. 2022 Intravenous NAD pharmacokinetics and safety study
Grant 2019 NAD in addiction treatment clinical observations and safety
Trammell et al. 2016 NR increases NAD levels in humans
Conze et al. 2019 safety of nicotinamide riboside
Dollerup et al. 2018 NR supplementation clinical trial
