Creatine Supplementation Q&A: What’s The Best Creatine and More

Unless you’re new here, you know you should probably be taking creatine. It’s one of the most well-research, reliable, and safe supplements around. So I’m not going to address any questions about the general effectiveness…

Zinc Supplements: To Take Or Not to Take

“You know it makes your semen loads bigger,” John said to me on my first morning visiting him and Amanda in Los Angeles. “Yeah, you’ll see.” He handed me a white supplement capsule from a…

Hardgainers: Add This Snack To Your Diet

“What’s something you do other people think is insane?” I love this question. There was a stretch in 2019 when Tim Ferriss asked this on his podcast. I ask it on almost every first date…

5 Common Supplement Questions

Supplements are an interesting part of the fitness industry. You generally have a few very varied opinions—some people love them, some people hate them. At RFS we are a bit of a rarity because we’re…