Evidence-based articles on hair loss, skin health, and gut health — written and reviewed by registered dietitians.
Your doctor says your iron is 'normal' — but your hair is still falling out. Here's why ferritin, not hemoglobin, is the number that matters for hair loss.
Nutrafol Women is a clinically-proven, drug-free supplement designed to address the root causes of female hair loss. Here's how its science-backed ingredients work together to restore hair health.
The supplement aisle is full of hair growth promises. A registered dietitian breaks down the clinical evidence behind the most popular ingredients.
Age-specific protocols for hair, skin & gut health
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Noticed a sudden increase in shedding 2–3 months after a stressful event? This is telogen effluvium — and the good news is it's almost always reversible.
You can take all the right supplements, but if your scalp environment isn't optimal, hair growth will be compromised. Here's what you need to know.
Alopecia areata — patchy hair loss caused by an autoimmune attack on hair follicles — is more common than most people realize. Here's what you need to know.
Your diet has a profound effect on hair health. A registered dietitian explains the specific foods and nutrients that support hair growth — and the dietary patterns that accelerate hair loss.
Many women in their 40s experience hair loss that looks similar to postpartum shedding — but the causes and treatments are different. Here's how to tell them apart.
The right hair care routine can make a significant difference in the appearance and health of thinning hair. Here's exactly what to do — and what to stop doing immediately.
From collagen loss to slower cell turnover, here's the complete biological explanation for why skin changes so dramatically after 40 — and what you can do about each factor.
Retinoids are the gold standard anti-aging ingredient — but using them correctly makes all the difference. Here's a step-by-step guide for beginners.
Collagen supplements are everywhere — but do they actually work? A registered dietitian reviews the clinical evidence and explains what to look for in a quality product.
Vitamin C is one of the most evidence-backed skincare ingredients — but it's also one of the most unstable and misunderstood. Here's everything you need to know.
Dark spots, melasma, and uneven skin tone become more common after 40. Here's a comprehensive guide to the causes and the most effective treatments.
A compromised skin barrier is behind many of the skin issues women experience after 40 — sensitivity, dryness, redness, and accelerated aging. Here's how to repair it.
Niacinamide does it all — reduces hyperpigmentation, strengthens the barrier, minimizes pores, and reduces inflammation. Here's why it belongs in every woman's routine.
Rosacea flares often worsen during perimenopause. Here's a comprehensive guide to identifying your triggers, choosing effective treatments, and understanding the surprising gut connection.
UV radiation is responsible for 80–90% of visible skin aging. Here's everything you need to know about choosing and using sunscreen effectively after 40.
The food you eat has a profound and direct effect on your skin. A registered dietitian explains the specific dietary strategies that support skin health from the inside out.
The gut microbiome changes significantly after 40, affecting everything from digestion to hormones to mood. Here's what you need to know and what you can do about it.
Not all probiotics are created equal. Here's a comprehensive review of the specific strains with the strongest clinical evidence for women's health concerns after 40.
Bloating is one of the most common complaints among women over 40 — and it's rarely caused by just one thing. Here's how to identify your specific triggers and find lasting relief.
"Leaky gut" is one of the most discussed — and most misunderstood — concepts in wellness. Here's an honest, evidence-based assessment of what we actually know.
The gut produces 90% of the body's serotonin. Here's the science behind the gut-brain connection and what you can do to support your mental health through gut health.
Fiber is the most important nutrient for gut health — but increasing it too quickly causes bloating and discomfort. Here's how to do it right.
A landmark Stanford study found that fermented foods improve microbiome diversity more effectively than a high-fiber diet alone. Here's how to incorporate them into your daily routine.
IBS affects women twice as often as men, and symptoms often change dramatically during perimenopause. Here's what's happening and how to manage it effectively.
Digestive enzyme production declines with age, contributing to bloating, gas, and nutrient malabsorption. Here's what the evidence says about supplementing.
Your gut microbiome directly regulates estrogen levels through a mechanism called the estrobolome. Here's why this matters for perimenopause symptoms and long-term health.
Age-specific protocols for hair, skin & gut health
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