Reddit mentions of XTEND Original BCAA Powder Italian Blood Orange | Sugar Free Post Workout Muscle Recovery Drink with Amino Acids | 7g BCAAs for Men & Women | 30 Servings

I meant something like whole-grain pasta in the evening and to eat something (at least a bread!) before working out as well. The reason being, you want to make sure your liver and muscles have enough glycogen (energy). However, glycogen storages are usually depleted after 8-12 hours of fasting (sleep), so breakfast is important.

As for the supplements, something with branched-chain amino acids and citrulline malate and electrolytes. For example: https://www.amazon.com/Scivation-Powder-Branched-Orange-Servings/dp/B01M28VEPR/ref=sr_1_1_s_it?s=undefined&th=1

Also, eat plenty of protein. 1g - 2g per kilo of body weight is the usual protein recommendation in 24 hours.

I do it and it works out great for me. I worked out for over 2 hours today on empty and I’m getting more and more used to it. Could not feel a difference today. I make sure to take BCAAs before and after (I also mix in a tbsp of apple cider vinegar before training). This brand tastes sooo freaking good (I get the blood orange flavor) and tbh it feels like I’ve actually eaten something (placebo effect lol)

https://www.amazon.com/Scivation-Powder-Branched-Raspberry-Servings/dp/B01M28VEPR/ref=sr_1_2_sspa?s=hpc&ie=UTF8&qid=1509664778&sr=1-2-spons&keywords=Bcaa&th=1