Try this out. It's comboed with HGW. Worked really well for me. It wasn't listed on Amazon for a bit but looks like it's back now. Wasn't familiar with the brand and couldnt find much info on it so was pleasantly surprised with results.

https://www.amazon.com/VINATURA-Cistanche-Strength-Endurance-Cognitive/dp/B0BR8F5XC3