I’m in my early 50s and over the years I’ve tried a lot of different testosterone propionate. I’ve honestly had very little success finding something that didn’t cause me excruciating pain. Or that caused me to have redness at the point. This was until i got geneza pharma test prop. It isn’t the cheapest gear you will find, but it is quality. I am free of pain at last and can use it on my next competition so thank you so much