Hair Loss in Men and Women: Natural Approaches That Actually Work
Hair loss is one of the most emotionally significant health concerns people face — and one of the most common. Around 50% of men experience noticeable hair loss by age 50, and female hair thinning affects up to 40% of women by the time they reach menopause. Yet despite how widespread it is, hair loss remains poorly understood and often poorly managed.
Here's a clear, evidence-based look at why hair loss happens and what natural approaches have genuine evidence behind them.
Why Hair Loss Happens
Hair grows in cycles: a growth phase (anagen, lasting 2–7 years), a transition phase (catagen), and a resting/shedding phase (telogen). At any given time, around 85–90% of your hair is in the growth phase. Problems arise when this cycle is disrupted — either by shortening the growth phase, extending the shedding phase, or damaging the follicle itself.
The most common causes:
- Androgenetic alopecia (pattern hair loss) — the most common type in both men and women; driven by sensitivity of hair follicles to dihydrotestosterone (DHT). In men it causes the classic receding hairline and crown thinning; in women it typically causes diffuse thinning across the top of the scalp
- Telogen effluvium — a temporary, diffuse shedding triggered by physical or emotional stress, illness, nutritional deficiency, hormonal changes, or crash dieting
- Nutritional deficiencies — iron, zinc, biotin, vitamin D, and protein deficiencies can all cause or worsen hair loss
- Thyroid dysfunction — both hypothyroidism and hyperthyroidism can cause hair thinning; always worth ruling out with a blood test
Natural Approaches with Evidence
Biotin (Vitamin B7)
Biotin is essential for keratin production and deficiency is associated with hair thinning and loss. Studies have shown biotin supplementation improves hair growth in people with documented deficiency.
What to look for: 2,500–5,000mcg per day.
Saw Palmetto
Saw palmetto inhibits 5-alpha reductase, reducing DHT at the follicle. A randomised controlled trial found it increased hair count by 11.9% in men with mild-to-moderate androgenetic alopecia.
What to look for: Standardised extract containing 85–95% fatty acids; 320mg per day.
Zinc
Zinc deficiency is one of the most common nutritional causes of hair loss. Studies consistently find lower zinc levels in people with telogen effluvium and alopecia areata.
What to look for: Zinc citrate or zinc picolinate; 15–25mg per day.
Iron
Iron deficiency is one of the most common causes of hair loss in women. Ferritin levels below 30–70 ng/mL are associated with increased hair shedding, even when haemoglobin is normal.
What to look for: Iron bisglycinate with vitamin C for best absorption.
Vitamin D
Vitamin D receptors are found in hair follicles and play a role in the hair growth cycle. Deficiency — extremely common in the UK — is associated with hair loss conditions.
Collagen
Collagen provides the structural framework for the dermis in which hair follicles are anchored. Studies have shown collagen supplementation can improve hair thickness, particularly in women experiencing age-related thinning.
Lifestyle Factors That Affect Hair Health
- Protein intake — hair is made of keratin; inadequate protein is a direct cause of hair thinning
- Stress management — chronic stress is a well-established trigger for telogen effluvium
- Scalp massage — 4 minutes daily has been shown to increase hair thickness over 24 weeks
- Avoid crash dieting — rapid calorie restriction is a common trigger for shedding
Our Hair Health Range
At Stirling Health, Hair Fare combines 14 key ingredients specifically formulated to support hair health from the inside out — including biotin, zinc, and other essential nutrients for strong, healthy hair growth.
Frequently Asked Questions
How long does it take for hair supplements to work?
Most people notice reduced shedding within 2–3 months, with visible improvements in thickness after 4–6 months of consistent supplementation.
Can hair loss be reversed?
Telogen effluvium and nutritional deficiency-related hair loss are typically fully reversible. Androgenetic alopecia can be slowed and in some cases partially reversed — early intervention gives the best results.
Should I see a GP about hair loss?
Yes — particularly if hair loss is sudden, patchy, or accompanied by other symptoms. A GP can test for thyroid dysfunction, iron deficiency, and other treatable causes.
The Bottom Line
Hair loss has multiple causes, and the most effective approach addresses the underlying driver. Nutritional deficiencies — particularly iron, zinc, biotin, and vitamin D — are common and correctable. For androgenetic alopecia, saw palmetto offers a natural DHT-blocking approach with meaningful clinical evidence.
This article is for informational purposes only and does not constitute medical advice. If you are experiencing significant or sudden hair loss, please consult your GP.