'Miracle cure' hair growth supplement makes 'unbelievable difference' to its thickness

and hair thinning is becoming an increasingly more common issue, with customers regularly on the lookout for solutions – and, judging by some of the impressive reviews, we think we might have found one worth trying: with thousands of five star reviews.

is one of the highest rated in this category on Amazon, with nearly 6,000 reviews and an impressive 4.2 out of 5-star overall rating. Shoppers praise how "highly effective" it is not just on encouraging hair growth but also improving the overall health of skin and nails, reporting .

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, with each one-a-day tablet containing 12,000mcg of biotin, known to contribute to the maintenance of normal hair and skin, as well as the functioning of the metabolism and the nervous system. They're also vegan and free from colours and preservatives.

One Amazon shopper, who posted these impressive before and after pictures above, wrote how "I wasn’t sure about if this would work but postpartum hair loss was terrible 2nd time round! But the pictures show for themself! Amazing! Been taking for 2 months now!"

Another repeat customer said, " I definitely find I'm shedding less hair. Have purchased three times now."

A third person who called them a "miracle cure" went on to call them "pure magic", writing: "My hair was falling out in bunches, my nails were splitting. I needed a miracle cure and I found one! and nearly back to normal. I highly recommend this!"

It's worth noting that you shouldn't expect to see quick results from taking hair supplements such as these ones. As one person put, "My hair is probably in the best condition it has ever been plus it's long which is what I've always wanted" but "don't get me wrong, this is not a quick fix, I had to be taking these tablets for a good 6 to 7 months before I saw any improvement. Trust the process is all I will say but ."

If you are after quicker results, , £55.99, might be worth trying. Called "the most powerful hair growth supplement on the market", these have been shown to give , with shoppers reporting hair that's "noticeably thicker and stronger".

, from £22.09, is another option, proving popular with several different types of hair loss, from menopause-related to that due to over-bleaching, with one customer noticing results in just four weeks.