N1-T Natural Testosterone Supplement Advanced Test-Stim Complex Natural Hormone Enhancer What It Is A dietary supplement packed with Ashwagandha, Tribulus (Protodioscin), Fenugreek, and Avena Sativa amongst other ingredients. N1-T also uses patented Bioperine, which speeds up the delivery of the compounds. With N1-T, you can expect more from your body and from your training. So the next time you’re looking to take your training to a different level, look to N1-T. Who We Are Universal Nutrition has been providing cutting edge and staple nutritional supplements to bodybuilders and hard training athletes the world over since 1977. As time passes, certain ideals never go out of style. Honesty. Integrity. Respect. These are the values we uphold and are the bedrock upon which we built our business.