The Energy Deficit Nobody Prepares You For
Everyone warns you about sleep deprivation. What they do not tell you is that the fatigue can linger for years, long after the newborn phase has passed.
Between the mental load, the physical demands of parenting, and the way your own needs end up at the bottom of the list, many mothers find themselves running on fumes for far longer than feels acceptable.
The good news is that fatigue post-motherhood is often addressable. Not with a quick fix, but with a few well-evidenced lifestyle and nutrition changes that genuinely make a difference.
Why Your Body Needs More Support Than You Think
Pregnancy and breastfeeding place significant demands on your body. Nutritional stores including iron, magnesium, vitamin D, and phosphocreatine (the body’s stored energy compound) are often depleted and not fully restored without intentional effort.
Most new mothers focus on sleep and mental health, both of which are critical. But physical nutrition is frequently overlooked, and it underpins everything else, including mood, cognition, and the ability to tolerate stress.
Building back your physical foundation takes time and consistency. But the returns are real.
The Supplements Worth Considering
Not all supplements are created equally, and most are not necessary if your diet is genuinely solid. But a few have strong evidence behind them for active adults managing high physical and mental loads.
Iron and vitamin D are the most commonly deficient in UK adults, particularly women post-partum. These are worth testing with your GP before supplementing.
One supplement with a growing body of research for women specifically is Creatine. Long associated with gym-goers and strength athletes, recent research has expanded our understanding of its benefits, including improved cognitive function, reduced mental fatigue, and support for muscle strength at doses of 3 to 5g daily.
A 2021 review in the journal Nutrients found that creatine supplementation improved both physical performance and cognitive processing, particularly in situations of sleep deprivation or high mental demand, which sounds familiar to most parents.
“Creatine is one of the most researched supplements in sports nutrition. What is emerging is that its benefits for cognitive function and energy metabolism make it relevant for a far wider population than athletes, including women managing high daily cognitive loads.” – Dr. Darren Candow, Professor of Exercise Science, University of Regina
Popular Recovery and Wellness Supplements Compared
| Supplement | Primary Benefit | Evidence Quality |
| Creatine monohydrate | Energy, strength, cognition | Very strong |
| Vitamin D | Bone health, immunity, mood | Strong |
| Iron | Energy, reduces fatigue | Strong (if deficient) |
| Magnesium glycinate | Sleep, muscle relaxation | Moderate |
| Omega-3 (fish oil) | Brain health, inflammation | Strong |
| Ashwagandha | Stress, cortisol reduction | Emerging |
Movement: The Most Underutilised Energy Tool
It sounds counterintuitive when you are exhausted, but regular low to moderate exercise consistently improves energy levels. Research published in Psychotherapy and Psychosomatics found that sedentary people who adopted regular exercise reported a 65 percent improvement in energy.
You do not need a structured programme. Three 20 to 30 minute walks per week, or short bodyweight sessions at home, are enough to start seeing an effect on mood and vitality.
Combining movement with even a modest focus on nutrition creates a compounding effect that most parents notice within a few weeks.
Sleep, Stress, and Realistic Expectations
No supplement or exercise routine compensates for chronic sleep deprivation. Prioritising sleep, where possible, remains the single highest-impact change for most parents.
Stress management is equally important. Elevated cortisol actively depletes energy reserves and interferes with sleep quality. Even brief daily practices like a 10-minute walk outside, reading, or quiet time can meaningfully reduce baseline stress levels.
Getting your energy back is not a linear process. But approaching it with the same care and attention you give to everything else in your family’s life tends to produce results.
If you enjoyed this, you might also find the posts on lifestyle and wellness on Sorry About The Mess worth a read. There is also some honest content on mental health and finding yourself post-motherhood in the archives.
Frequently Asked Questions
Is creatine safe for women?
Yes. Creatine monohydrate is one of the most studied supplements available and has a strong safety record in both men and women. It does not cause hormonal changes. The standard dose used in research is 3 to 5g daily.
Will creatine make me look bulky?
No. Creatine can cause a small increase in water retention within muscle cells, but it does not cause fat gain or the kind of muscle bulk associated with heavy resistance training. At typical doses, most women notice no change in appearance.
How long does it take to feel the benefits?
Physical performance benefits typically emerge within two to four weeks of consistent daily use. Cognitive benefits, such as improved focus and reduced mental fatigue, are reported in research within a similar timeframe.
Can I take creatine while breastfeeding?
There is currently insufficient research on creatine supplementation during breastfeeding to give a definitive answer. Speak to your GP or a registered dietitian before starting any new supplement while breastfeeding.
—
This is a partnered post
