Supplements

The seed behind half your supplement stack, sorted into what’s proven, what’s promising, and what’s marketing.

One in eight adults has considered a GLP-1 drug. Here’s how to coach the ones who show up in your program — and spot the two who need someone else first.

The bacteria in your gut teach your brain’s immune cells how to behave. Here’s the microbiome-microglia connection, minus the hype.

Your painkiller blocks one inflammation enzyme. Boswellia works on a different one entirely — here’s what the research actually shows.

The brain-booster industry optimizes neurotransmitters while ignoring the immune cells that actually decide whether your synapses survive.

N-acetylcysteine (NAC) is one of the most researched supplements for boosting glutathione. But does it actually slow aging, reduce inflammation, or protect your cells after 40?

Your brain has its own immune system, and the cells running it are called microglia. What you eat, how you sleep, and whether you move determines if they protect or destroy.

You’ve seen the ads. You’ve probably tried at least one. Here’s why most hair growth supplements don’t work — and what might actually help.

GLP-1 medications help you lose weight — but they may also accelerate bone loss. Here’s what the research says and how to protect yourself.

Your vitamin D needs depend on genetics, body weight, gut health, and baseline levels — not a one-size-fits-all supplement dose.

Standard vitamin D recommendations fail most people — here’s why personalized dosing based on your body and labs is the research-backed approach.

The standard 400 IU recommendation ignores everything that makes your vitamin D needs unique — here’s how to find your actual number.