CARTERˣ — Field Notes
News
Notes, protocols and editorials from the lab. Long reads on training, recovery, and the science behind every system.
education
How to Build Your Supplement Stack
Most people overcomplicate supplements. A complete daily stack is four to six products. Everything beyond that is optimization, not foundation.
education
The Omega-3 Index: The Blood Test Most Athletes Ignore
A simple blood test reveals whether your omega-3 status is actually optimized. Research suggests most athletes fail it.
education
Vitamin K2 and D3: Why They Belong Together
Vitamin D3 pulls calcium into your bloodstream. Vitamin K2 directs it to your bones rather than your arteries. One without the other is incomplete.
bcaa
The BCAA Question: When They Help, When They Do Not
BCAAs were oversold to a generation of lifters. They are not a muscle-building shortcut. They do have specific, valid use cases.
education
Beta-Alanine Tingles, Explained
That pre-workout tingle is not a side effect. It is a sign your formula contains a clinical dose of beta-alanine.
education
EPA vs DHA: Which Omega-3 Athletes Actually Need
Not all omega-3 is built the same. EPA and DHA do different things, and the ratio matters more than most supplement brands will tell...
education
What to Look for in a Pre-Workout (And What to Avoid)
Most pre-workouts on the market are underdosed, overstimmed, or both. A clinical-grade formula is built around a handful of ingredients at the right amounts.
education
How to Read a Supplement Label
Most consumers do not know what they are buying when they pick up a supplement. The label tells you everything, if you know what...
education
Caffeine and L-Theanine: The Smart Caffeine Stack
Caffeine alone is a blunt tool. Caffeine paired with L-theanine is the same dose, smoother delivery, and better cognitive output. Research has known this...