I only bought the WGO and Surge once a year ago and never bought again. I bought a second 32 ounce bottle of MTG in July, but will not be using MTG again...but not for any negative reason, just cutting down on products. On January first I made up a new batch of topical growth potion. I put in four ounces of Jamaica black castor oil, two ounces of coconut oil, powdered rosemary, nettle and sulfur and a few drops of tea tree and neem oil in an eight ounce bottle. I also added some cayenne extract. I like my new formula and with my personal challenge to massage my scalp four or five times a week, I hope to see more than a half inch of growth in some months. However, since I am retaining all that is growing, if I just get the six inches like I did last year, I will be perfectly happy. With regard to supps...I've been taking these same supplements for years and only added the biotin after I discovered the boards. I stopped taking it for about six months from June to December and resumed in January because I believe my metabolism slowed down when I stopped taking it. I don't really take supplements for hair growth, but for overall -- including hair -- health.