TribElle · Seasonal wellbeing

The best vitamins for UK women this autumn and winter

As the UK days grow shorter and colder, many women feel their energy dip and immune defences weaken. Autumn and winter can challenge our well-being, but the right vitamins can bolster your health and mood during these darker months.

Vitamin D: The Sunshine Vitamin for Winter Wellbeing

Our bodies make vitamin D when skin is exposed to sunlight, but by autumn, levels plummet. By late winter, up to 90% of UK adults have low levels [SACN, 2016; Public Health England]. That’s why the NHS recommends everyone takes 10 μg (400 IU) daily from October to April.

Why it matters:

• Maintains strong bones and muscles.
• Supports immunity (2017 meta-analysis: Martineau et al., BMJ, showed supplementation reduced acute respiratory infections in deficient people).
• Linked to mood and Seasonal Affective Disorder (SAD).

Vitamin B12: For Energy and Nerves

B12 produces red blood cells, supports nerve function, and converts food into energy. Deficiency leads to fatigue, weakness, and brain fog.

Why women need it:

• Found mainly in animal products → vegetarians, vegans, and older adults are at higher risk [Pawlak et al., Nutrients, 2013].
• Linked with mood and cognitive health.

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Folate (Vitamin B9): Energising Blood and Women’s Wellness

Folate is crucial for making red blood cells and, in pregnancy, for preventing neural tube defects.

• Low folate → fatigue, anaemia, low mood [NHS, 2023].
• Particularly important pre-conception and in early pregnancy (400 μg daily folic acid until 12 weeks; NICE guidance).

Iron: Keeping Energy Up and Immunity Strong

Iron helps form haemoglobin, carrying oxygen in the blood.

• Deficiency causes anaemia, fatigue, and lowered immunity [WHO, 2020].
• Women of reproductive age are at higher risk due to menstrual losses.

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Magnesium: Stress-Relief and Sleep Booster

Magnesium supports over 300 body processes.

• Calms the nervous system and regulates sleep via melatonin [Abbasi et al., JRMS, 2012].
• Helps with PMS symptoms like cramps and mood swings [Shahnazian et al., Magnesium Research, 2019].

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Omega-3 Fatty Acids: Mood, Heart & Brain Health

• Improve mood and reduce depressive symptoms (meta-analysis: Grosso et al., Molecular Psychiatry, 2014).
• Protect heart health (reduce triglycerides, inflammation) [Calder, 2017].
• Support brain and joint function.

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Zinc: Immunity Defender

• Vital for immune system function.
• May shorten colds (Science et al., JRSM Open, 2017).
• Supports wound healing and sense of taste/smell.

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Vitamin C: Antioxidant Armour and Skin Support

• Powerful antioxidant, supports skin and collagen.
• Improves iron absorption.
• May slightly shorten cold duration [Hemilä, Nutrients, 2017].

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Bringing It All Together

A few well-chosen vitamins can make a real difference in how you feel this autumn and winter:

Supplements should complement your diet, not replace it. Pair them with whole foods, rest, and seasonal self-care, and you’ll feel stronger, more energised, and resilient this winter.

References

• Abbasi, B., et al. (2012). The effect of magnesium supplementation on primary insomnia in elderly: A double-blind placebo-controlled clinical trial. Journal of Research in Medical Sciences, 17(12), 1161–1169.
• Calder, P. C. (2017). Omega-3 fatty acids and cardiovascular disease: Evidence explained. Atherosclerosis, 262, 195–203.
• Grosso, G., et al. (2014). Omega-3 fatty acids and depression: a meta-analysis. Molecular Psychiatry, 19(7), 768–780.
• Hemilä, H. (2017). Vitamin C and infections. Nutrients, 9(4), 339.
• Martineau, A. R., et al. (2017). Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis. BMJ, 356:i6583.
• Mozaffarian, D., & Wu, J. H. Y. (2011). Omega-3 fatty acids and cardiovascular disease: Effects on risk factors, molecular pathways, and clinical events. Journal of the American College of Cardiology, 58(20), 2047–2067.
• NHS (2023). Vitamins and minerals: guidance for the UK.
• Pawlak, R., et al. (2013). How prevalent is vitamin B12 deficiency among vegetarians? Nutrients, 5(12), 4521–4538.
• SACN (2016). Vitamin D and Health. Scientific Advisory Committee on Nutrition, Public Health England.
• Shahnazian, S., et al. (2019). Magnesium and premenstrual syndrome: a systematic review. Magnesium Research, 32(2), 45–52.
• WHO (2020). Anaemia. World Health Organization.