Neuroscience & signaling
Serotonin: The Signal, the Receptors, and the Response
Follow serotonin from tryptophan to nerve signaling. Explore synthesis, SERT recycling, MAO-A breakdown, and the seven serotonin receptor families.
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Genetics & nutrition
MTHFR, Folate, and Your Health: Put the Gene in Perspective
Learn when MTHFR testing can guide diagnosis or family counseling, and how folate, B12 and homocysteine help put your results into context.
Neuroscience & signaling
Dopamine & Norepinephrine: The Life of a Nerve Signal
Follow dopamine and norepinephrine from amino acids to nerve signals, with interactive diagrams explaining synthesis, release, recycling, COMT and MAO.
Nutrition & everyday health
The B-Vitamin Family: Nourishment for Everyday Function
Meet all eight B vitamins, their food sources and roles, who may need supplementation, and the safety details behind common supplement claims.
Gut & nutrition
Your Gut Is a Living Pharmacy: Microbes, Vitamins, and the Missing Fine Print
Explore the vitamins and short-chain fatty acids gut microbes make, what your body can actually use, and practical ways to support gut health.
Nutrition & everyday health
Nutrition Labels: A Simple Guide to More Confident Choices
You do not need to decode every ingredient to make a useful choice. Start with the portion, then the nutrients that matter to you.
Sleep & recovery
Sleep Apnea: A Path to Better Breathing and Better Nights
Learn the signs of sleep apnea, when home testing is appropriate, how PAP helps, and why treatment and follow-up should fit your needs.
Morning & hormone health
The Morning Hormone Protocol
Build a flexible morning routine around light, movement, nourishment and sleep, without rigid caffeine rules or promises of a hormonal reset.
Sleep & recovery
The Ultimate Nighttime Hormone Hacking Stack
A plain-language guide to sleep, recovery, and the daily habits discussed in IFP’s nighttime hormone protocol.
Performance & testing
The Missing Number in Every Training Program: What Metabolic Testing Reveals — And Why It Changes Everything
What PNOĒ metabolic testing reveals about your resting metabolic rate, VO₂peak, personalized heart-rate zones, and biological age — and why measuring beats guessing.