When it comes to hair growth products, the internet has seen it all, but every so often, a supplement comes along with reviews so dramatic they make Us do a double take. Case in point: the Nutraharmony hair growth supplement on Amazon, which shoppers say has helped revive thinning strands and even fill in bald spots. With thousands of reviews and a formula packed with hair-loving nutrients, it's quickly becoming a go-to for anyone looking to give their locks a little extra support. One reviewer shared a particularly jaw-dropping transformation.