Healthy hair depends on genetics, hormones, nutrition, and overall wellbeing. Explore science-based information on hair loss, hair growth, nutrient deficiencies, and supplements that may help support healthy hair.
Hair Loss
Hair loss and thinning can be influenced by multiple factors, including nutrient deficiencies, hormonal changes, stress, and overall health.
Understanding the underlying cause is essential for choosing the right approach and supporting healthy hair growth.
- What Causes Hair Loss? Common Reasons and Treatments
- Vitamin D and Hair Loss
- Stress and Hair Loss: Can Stress Cause Hair Thinning?
- Iron Deficiency and Hair Loss: Can Low Iron Cause Hair Thinning?
- Why Is My Hair Thinning Suddenly? Causes, Nutrient Deficiencies and Solutions
Hair Growth
- Zinc and Hair Growth: Does Zinc Help Prevent Hair Loss?
- Biotin for Hair Growth: Does It Really Work?
- Vitamin D vs Biotin for Hair Growth: Which Is Better?
Nutrients
- Foods for Hair Growth: Best Nutrients for Healthy Hair
- Best Supplements for Hair Growth
- Best Vitamins for Hair Growth
Looking for Something Else?
Browse all of our evidence-based health guides in the Health Library (A–Z) or return to the Homepage to explore another health topic.