The Science
Funny in voice.
Never in the fine print.
The cholesterol–testosterone pathway is real. The science is established. Here's the mechanism in plain English — no lab coat required to follow it.
"Your body builds testosterone from cholesterol.
So we gave it more of the good stuff — from a whole egg yolk, not a lab."
Dietary cholesterol is the precursor molecule your body uses as a building block in its own hormone production. Egg yolk is one of nature's richest whole-food sources. We dehydrate it, keep it intact, and pair it with complete protein.
We don't override your chemistry. We just stock the pantry.
The Pathway
Three steps.
Explained once. Simply.
01
Whole egg yolk delivers dietary cholesterol as real food
The whole food, dehydrated and kept intact — delivering dietary cholesterol in the form your body already recognises.
02
Cholesterol is the precursor the body uses to make hormones
The steroidogenesis pathway starts with cholesterol. Leydig cells convert it through a multi-step process — ending in testosterone.
03
Real-food inputs support healthy testosterone levels*
Increased substrate availability supports the endogenous production pathway. We provide the raw material. Your endocrine system does the rest.
The Full Picture
For the men who want to
read the whole thing.
We could simplify further. We chose not to. You're welcome.
The cholesterol–hormone link
Cholesterol serves as the steroid backbone for all steroid hormones. In men, Leydig cells in the testes take up cholesterol and convert it — cholesterol → pregnenolone → progesterone → androstenedione → testosterone.
The body makes its own cholesterol via endogenous synthesis, but dietary cholesterol contributes to substrate availability. A whole-food dietary source supports the process.
Why whole egg yolk specifically
Egg yolk is one of nature's most complete foods. It delivers dietary cholesterol alongside protein, phospholipids, fat-soluble vitamins (A, D, E, K), and choline — a full nutrient matrix your body evolved to recognise.
We dehydrate at low temperature to preserve bioavailability, then pair with complete protein for the amino acid support your body needs alongside hormone production.
What "supports healthy levels" means
We say "supports healthy testosterone levels.*" We don't say "boosts," "skyrockets," or "maximises." That language is non-compliant and usually untrue. "Supports" accurately describes what providing real-food substrate to the steroidogenesis pathway does.
The asterisk is non-negotiable. We're serious about the joke, not the fine print.The dietary cholesterol rehabilitation
The saturated-fat-and-cholesterol hypothesis had a long run. The evidence base has evolved. Major nutrition bodies — including the 2020–25 Dietary Guidelines Advisory Committee — no longer set a specific upper limit on dietary cholesterol for healthy adults.
Your grandfather ate them without thinking twice. He was right, as it turns out.Side by Side
What's on the label,
and why it matters.
| Feature | Typical Supplement | Stoke Shake |
|---|---|---|
| Ingredient source | ✕ Isolate or synthetic fraction | ✓ Whole egg yolk, dehydrated intact |
| Dietary cholesterol | ✕ Removed ("cholesterol-free") | ✓ Present — the whole point |
| Testosterone pathway | ✕ Absent or synthetic stimulant | ✓ Real-food substrate to natural pathway |
| Label transparency | ✕ Proprietary blend, doses hidden | ✓ Every ingredient named, every dose visible |
| Claim language | ✕ "Boost T 400%" — unverifiable | ✓ "Supports healthy testosterone levels.*" |
| Amino acid profile | Varies by source | ✓ All 9 essential amino acids |
| Tone of voice | Fear-mongering or bro-science | ✓ Dry, confident, in on the joke |
Important
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
All health claims on Stoke Shake products are structure-function claims made in accordance with applicable regulatory requirements. "Supports healthy testosterone levels" does not imply treatment or prevention of any condition. Consult a healthcare provider before beginning any supplementation protocol. Individual responses to dietary cholesterol vary.
The science does the work.
So will you.
* These statements have not been evaluated by the FDA. Not intended to diagnose, treat, cure, or prevent any disease.