Author: Team Fireblood

Leg cramps aren’t just a potassium problem. Here’s what’s actually happening in the pump, and the four minerals that run it.

Protein, creatine, omega 3 have the strongest evidence base in sports supplementation. Also the smallest part of long-term performance. Here’s the rest.

L-5-MTHF and L-methylfolate are the same molecule. The fight that actually matters is methylfolate vs folic acid, and your MTHFR gene decides who wins.

Vitamin D is unusual. It behaves more like a hormone than a vitamin. Receptors for it exist in almost every tissue in your body, including the brain, muscles, immune cells, and testes. When you are low, the downstream effects spread across multiple systems at once. And most men are low. A large UK study found…

94.3% of Americans don’t meet the EAR for vitamin D from food alone. 97% don’t hit the potassium AI. Roughly 48% fall short on magnesium. Vitamin E sits near 90% shortfall. These aren’t fringe stats from a supplement brand’s marketing deck. They come from the National Health and Nutrition Examination Survey (NHANES), the dataset the…

Ritual has 10 nutrients with named suppliers. Fireblood has 39 at clinical doses. Here is what the labels show, side by side.

Most men spend $120+/month on separate bottles with cheap forms. One scoop covers 39 ingredients for $2/day. Here’s the breakdown.

BCAAs are 3 of the 9 essential amino acids. Your muscles need all 9 to build. Here is why your BCAA powder is half the picture.

Cyanocobalamin is a synthetic B12 stabilised with a cyanide molecule your body must remove before use. Here’s why the form of B12 in your supplement matters more than the dose.

You probably already know vitamin D is important. Your doctor may have told you to supplement it. The NHS recommends it every autumn and winter. So you bought a bottle, took the capsule, and assumed you were sorted. Here’s the part nobody mentioned: vitamin D increases calcium absorption by up to 40%. That’s its primary…

Brain fog isn’t laziness or a personality flaw. It’s your brain running on depleted inputs. Here are the real causes and the specific nutrients that clear it.

5 things to check on any supplement label before you buy. Takes 2 minutes. Saves you from underdosed, overpriced formulas.