18:16
protein
Huberman argues that whey protein is the superior protein source for muscle protein synthesis and strength because of its high leucine content and bioavailability, while collagen protein and bone broth — despite comparatively low leucine and a weaker overall amino acid profile — have some evidence supporting skin elasticity and appearance benefits at around 15 grams per day over two or more weeks, so the two protein types serve different goals rather than being direct substitutes; he also flags that whey's high leucine content has been linked in some studies to acne in certain people via an insulin/mTOR pathway.
Not all proteins are equal: quality/bioavailability depends heavily on amino acid content, especially leucine, an essential amino acid that must come from food.
Whey protein, along with beef, chicken, and eggs, has high leucine content, making it superior to collagen protein and bone broth for muscle protein synthesis, strength, and muscle repair.
Collagen protein and bone broth have relatively low leucine and, across the board, a weaker essential amino acid profile than whey.
Some (not extensive) data show that ingesting collagen protein (bone broth included, since it's high in collagen) at about 15 grams per day for roughly two weeks or more is associated with statistically significant improvements in skin elasticity and appearance.
There is no evidence that whey protein replicates or mimics collagen/bone broth's skin-health benefits.
General protein target: approximately 1 gram of quality protein per pound of lean body weight or desired body weight per day (some just use body weight).
Recommended protein sourcing split: about 60-70% from whole foods (lean meats, chicken, eggs, fish, or vegetarian combinations like beans and rice, or casein), with the remaining 30% (up to 50% if struggling to eat enough) from protein powder or bars such as whey.
Bone broth and collagen protein still count toward the total daily protein target, but powdered collagen doesn't scale well as a primary high-leucine protein source.
Whey protein's high leucine content has been evaluated in peer-reviewed manuscripts for a tendency to increase acne in some people, via leucine and insulin increasing mTOR (mammalian Target of Rapamycin) activity, which can produce skin changes including acne.
For women, hormone fluctuations across the menstrual cycle may interact with the mTOR pathway such that whey/high-leucine protein exacerbates acne at particular cycle phases (raised in offline discussion with Dr. Teo Soleymani).
Recommendation to 'become a scientist of yourself': experimentally remove whey protein for a few days or weeks to see whether it is contributing to acne or other symptoms, and adjust brand/timing/protein source accordingly.
The 'either/or' framing of the audience question is subtly corrected: Huberman treats the choice as goal-dependent (muscle vs. skin) rather than a single winner, and notes both protein types can simultaneously count toward one's total daily protein intake.
Huberman explicitly surfaces a caveat that runs counter to his own pro-whey argument — the leucine/insulin/mTOR mechanism linking whey protein to acne in some people — rather than omitting it to keep the narrative clean.
The acne-whey link is presented as sex- and cycle-dependent: for women, timing of whey intake relative to menstrual cycle phase may matter due to mTOR-hormone interaction, a more granular claim than 'whey causes acne.'
Huberman shares his own numbers as a calibration anchor (about 220 lbs, recently closer to 210 lbs, tracked protein intake of 175-210 g/day) while explicitly saying he is not neurotic about hitting an exact daily gram target.
The specific dose/duration threshold cited for collagen's skin benefit (15 g/day for about two weeks or more) is a concrete, actionable figure rather than a vague claim.
«is there a distinct health advantage to using bone broth or collagen protein versus whey protein?»
— 03:51
«whey protein contains relatively high amounts of the amino acid leucine, and therefore, is going to be the superior form of protein if your goal is to grow muscle and/or get stronger»
— 05:19
«the amino acids that are contained in bone broth and collagen protein actually have been shown to support skin elasticity and appearance when ingested at levels of 15 grams per day over a period of about two weeks or more.»
— 08:09
«What seems to be the case here is that the high leucine content, and probably other things in whey protein, that are effective in increasing insulin lead to increases in mTOR, which, in turn, lead to changes in the skin that sometimes show up as increased acne.»
— 15:39
«we all have to learn to be scientists of ourselves, that is, to try something, see if we like it, see if we don't ask ourselves why.»
— 16:48
«Again, become a scientist of yourself. You'll be glad you did.»
— 17:38
Reception
Highly positive reception for credibility and presentation, with strong engagement from viewers seeking detailed information, though some criticism about pacing and skepticism toward supplement science claims.
A tightly scoped, mechanism-first answer that avoids a blanket verdict by separating protein choice by goal (muscle synthesis vs. skin appearance) and volunteers a caveat — the leucine/mTOR acne link — that cuts against its own pro-whey framing rather than smoothing it over.
18:16