Thinner Hair After 45, or on a GLP-1? Here’s What’s Really Going On

More hair in the brush? A wider part? For many women, two different hair stories are unfolding at once. Nutrafol, the hair growth supplement brand, has been tracking both closely, and the difference matters for what you do next.

Story one: hormonal thinning

Estrogen helps keep hair in its growing phase. As it fluctuates in perimenopause and declines in menopause, Nutrafol notes that hair often grows in finer, the growth phase shortens, texture changes and the part widens at the crown. This kind of change is usually gradual, building over months or years.

Story two: shedding after weight loss

Rapid weight loss, including weight loss on GLP-1 medications, can push more hair follicles into the shedding phase. Nutrafol points to two likely drivers: stress on the body and nutrient gaps from eating less. This shedding tends to be sudden and all over, often showing up 2 to 5 months after weight loss begins, and Nutrafol notes it is often temporary once the body stabilizes.

Women over 45 on a GLP-1 can experience both at the same time, which is why a one-size-fits-all approach often falls short.

Start with bloodwork, not guesswork

Thyroid changes, low iron, certain medications and recent illness can all mimic hormonal thinning. A dermatologist who partners with Nutrafol suggests asking your doctor about:

• Estrogen, progesterone, testosterone and FSH
• Thyroid function: TSH, free T3 and free T4
• Ferritin and iron
• Vitamin D
• Fasting glucose and insulin

Our physicians at Advanced Women’s Care can help you sort out what’s driving the change, whether that’s hormones, weight loss or something else, from menopause and hormone care to medical weight loss.

Where Nutrafol fits

• Nutrafol Women’s Balance is formulated for women 45+, with maca, saw palmetto, ashwagandha and marine collagen. Nutrafol says it is the first hair growth supplement with published clinical studies in menopausal women.*
• Nutrafol Women is designed for women 18 to 44, with a focus on stress, nutrition and lifestyle.*
• On a GLP-1? Nutrafol says its safety reviews support using its hair growth nutraceuticals alongside GLP-1 medications. Check with your provider first.

Before & after

Give it time. Nutrafol says most people notice less shedding by month 3, with thicker-looking growth in months 4 to 6. Protein, hydration, movement and stress care all help too.

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