Ecdysteroids combined with strength training led to significant increases in muscle mass, strength, and hypertrophy compared to placebo in a 2019 study.

“there's a paper that came out in 2019, it's a comparative study in the "Archives of Toxicology," this is Isenmann et al., I-S-E-N-M-A-N-N et al., that talks about the ecdysteroids and it was given in conjunction with strength training or no strength training, this was a 10-week intervention, and their conclusion is that these ecdysteroids had a fairly significant, above placebo controls, increases in muscle mass, strength, hypertrophy effects, all the sorts of things that one would expect with increases in androgen”