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The connection between creatine and the menstrual cycle is one of the most underreported findings in women's nutrition science. The energy and performance drops many women experience in their luteal phase have a real physiological explanation tied to how estrogen and progesterone affect creatine metabolism, fluid balance, and cellular energy availability. A 2023 randomized controlled trial published in Nutrients found that creatine monohydrate loading supported exercise recovery and reduced fatigue resistance decline in active women during the high-hormone luteal phase of their cycle. The energy drop you push through every month is not random — and creatine may address part of what is driving it.

Women naturally start with 70–80% lower creatine stores than men, and most women consume significantly less dietary creatine as well. That combination — lower baseline stores and lower intake — means women are often running a greater creatine deficit than they know. According to a 2021 review in Nutrients from researchers at the University of North Carolina at Chapel Hill, this gap has real implications for strength, energy, and cognitive function across a woman's lifespan. The practical answer: women may not need a higher dose than men, but they have more to gain from supplementation precisely because they are starting from a lower baseline.

Creatine is one of the most extensively studied supplements in sports nutrition, but its role in supporting brain energy metabolism and cognitive function has received far less attention, particularly for women. A 2024 systematic review and meta-analysis published in Frontiers in Nutrition found that creatine supplementation was associated with improvements across multiple cognitive domains in adults, including memory, executive function, attention, and processing speed. Learn more. 

The hypothalamic-pituitary-adrenal (HPA) axis is the biological system that governs your stress response — how quickly cortisol rises, how long it stays elevated, and how efficiently your body returns to baseline after a stressful event. In women, this system is structurally different from its male counterpart. Estrogen stimulates the HPA axis at both the hypothalamic and adrenal levels, amplifying the initial cortisol response. The female HPA axis also shows a longer post-stress recovery curve. This is not a matter of emotional sensitivity. It is biology — and understanding it changes how women should think about stress support.†

A randomized controlled trial published in JAMA Network Open in May 2026 found that children whose mothers received higher-dose vitamin D3 supplements during pregnancy performed significantly better on verbal memory and visual memory tests at age 10. Separately, a meta-analysis on maternal choline intake found that higher choline during pregnancy was associated with favorable effects on child memory, attention, and visuospatial learning. The prenatal vitamin you choose is not just about checking boxes. Formulation quality — specifically which forms of nutrients and which nutrients are included at all — shapes what your child's developing brain has to work with.†

CoQ10 is a fat-soluble compound present in the mitochondria of every living cell. Its primary job is to transfer electrons during the process that converts food into ATP, the energy currency your cells run on. Without adequate CoQ10, mitochondria work less efficiently, energy production slows, and the organs and systems with the highest metabolic demands — the heart, brain, ovaries, and muscles — are the first to feel it. The heart concentrates the highest levels of CoQ10 of any organ in the body, which is why bovine heart is the richest whole-food dietary source available.†