Fix sleep, light, exercise and food before reaching for hormone pills
Kyle Gillett's six pillars and Huberman's layered approach to supplementation both put behavioral foundations ahead of supplements or pharmaceuticals. Those foundations include sleep, light, exercise, nutrition and stress management. Following this order avoids expensive or risky interventions for problems that lifestyle changes can often solve.
What order do Gillett and Huberman give for improving hormone health? Show answer
Behaviors and nutrition first, supplements only on top of those, and prescription hormones last, only for a real need and with a doctor.
What are Kyle Gillett's six pillars of hormone health? Show answer
Diet, exercise, stress, sleep, sunlight and spirit. He says diet and exercise are likely the two strongest.
What are Huberman's four layers of tools? Show answer
Behavioral tools, then nutrition, then supplements, then prescription drugs from a board-certified physician. No layer replaces the ones beneath it.
Which combination produces the worst blood work Gillett sees? Show answer
Heavy vigorous training combined with a large calorie deficit, often with low carbohydrates and inadequate iron or vitamin D. It leads to very low free testosterone.
Does cutting calories raise or lower testosterone? Show answer
It depends on the person. Gillett says it improves testosterone in people with obesity or metabolic syndrome and lowers it in young, lean, healthy people.
Which two behaviors does Huberman say must be fixed before discussing testosterone supplements? Show answer
Breathing and light viewing. Sleep apnea is strongly linked to low sex hormones, and light timing controls the dopamine that drives hormone signals.
Why does bright light in the middle of the night matter for testosterone? Show answer
Huberman says it suppresses dopamine release, and suppressing dopamine suppresses testosterone levels.
What kind of exercise raises testosterone most, according to Huberman? Show answer
Heavy weight training that stops short of failure, done before any cardio in the same session. The effect lasts about a day and sometimes up to 48 hours.
How much alcohol does Gillett allow for hormone health? Show answer
No more than three to four standard drinks every two weeks, because alcohol significantly increases the conversion of testosterone to estrogen.
How should a supplement be tested? Show answer
One ingredient at a time with everything else held steady, with blood work before starting and again four to eight weeks later.
When does the foundations-first rule not apply? Show answer
When there is diagnosed disease. Prescription drugs save lives, severe apnea may need CPAP, and conditions such as Kallmann syndrome call for medical treatment.
Where do Gillett and Huberman disagree about multivitamins? Show answer
Gillett says most people do not need one. Huberman sees broad foundational coverage as the best first purchase for someone with about $100 or more a month to spend.