AMA #19: Collagen vs. Whey Protein, Creatine, Smelling Salts, Stimulants & More
Andrew Huberman, Professor of Neurobiology and Ophthalmology at Stanford, discusses light management for sleep and a detailed comparison of protein sources like whey, bone broth, and collagen for muscle growth, recovery, and skin health, including potential acne links.
Deep Dive Analysis
6 Topic Outline
Importance of Light Management for Sleep
Comparing Different Protein Sources
Whey Protein for Muscle Growth and Repair
Collagen and Bone Broth for Skin Health
General Protein Intake Recommendations
Whey Protein and Potential Acne Connection
4 Key Concepts
Leucine
An essential amino acid that must be obtained from food. It is particularly important because it helps induce muscle protein synthesis and is found in high amounts in protein sources like whey protein, beef, chicken, and eggs.
Muscle Protein Synthesis
The biological process by which the body creates new muscle proteins, essential for muscle growth, repair, and overall health. It is stimulated by dietary protein, especially those rich in leucine, and occurs even without intense exercise.
Bioavailability (of protein)
Refers to how easily and efficiently a protein source can be assimilated and utilized by the body. Higher bioavailability means the body can absorb and use more of the protein's amino acids.
mTOR Pathway
Mammalian Target of Rapamycin, a cellular pathway involved in cell growth, proliferation, and protein synthesis. High leucine content in the diet can increase activity in this pathway, which has been linked to changes in skin that may manifest as increased acne in some individuals.
3 Questions Answered
Bright lights at night can suppress melatonin, the hormone of sleepiness, and increase cortisol levels. Blocking short-wavelength blue and green light or simply dimming lights at night can help offset these negative effects, facilitating transition to and improving the quality of sleep.
Whey protein is generally superior for muscle growth, strength, and repair due to its high leucine content and bioavailability. Bone broth and collagen protein, however, are superior for supporting skin elasticity and appearance.
In some individuals, the high leucine content in whey protein can increase certain components of the mTOR pathway, leading to changes in the skin that may show up as increased acne. This effect may be more pronounced in women during particular phases of their menstrual cycle.
12 Actionable Insights
1. Be Your Own Scientist
Adopt a scientific approach to your health by trying different protocols, carefully observing your body’s specific reactions, and adjusting your behaviors or intake based on what works best for you.
2. Dim Lights for Better Sleep
Dim your lights at night to significantly facilitate your transition to sleep and improve sleep quality, as bright lights can reduce melatonin and increase cortisol.
3. Engage in Regular Exercise
Incorporate both resistance training and cardiovascular training into your routine, as resistance training, even to failure, is crucial for muscle repair, growth, and overall health.
4. Target Optimal Protein Intake
Aim to consume approximately one gram of quality protein per pound of lean body weight (or desired body weight) daily to support muscle protein synthesis, recovery, and general health.
5. Prioritize Leucine-Rich Proteins
Choose protein sources high in leucine, such as whey protein, beef, chicken, or eggs, if your primary goal is to grow or repair muscle and enhance protein synthesis.
6. Base Protein on Whole Foods
Obtain 60-70% of your daily protein requirement from whole food sources like lean meats, chicken, eggs, or fish, ensuring a broad spectrum of essential amino acids.
7. Consider Blue-Green Blockers
Wear blue-green light blocking glasses at night, especially when exposed to bright lights, to counteract melatonin suppression and cortisol increases that can negatively impact sleep.
8. Supplement Protein as Needed
Use protein powders or bars, such as whey protein, for the remaining 30-50% of your daily protein intake if you find it challenging to meet your targets solely through whole foods.
9. Use Collagen for Skin Health
Ingest 15 grams of collagen protein (powdered form) or bone broth daily for at least two weeks to support improvements in skin elasticity and overall appearance.
10. Test Whey Protein for Acne
If you experience acne, temporarily remove whey protein from your diet for several days or weeks to assess if its high leucine content is contributing to or worsening your skin condition.
11. Women: Adjust Whey for Cycle
Women experiencing acne may consider adjusting or pausing whey protein intake during specific phases of their menstrual cycle, as hormonal fluctuations can interact with leucine’s effects on skin.
12. Explore Alternative Proteins for Acne
If whey protein appears to exacerbate acne, try replacing it with a casein protein or another high-quality protein source to observe if your skin symptoms improve.
3 Key Quotes
Bright lights at night will quash your melatonin, which is the hormone of sleepiness.
Andrew Huberman
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, to repair muscle, either muscle damage caused by exercise, or simply to engage protein synthesis.
Andrew Huberman
We all have to learn to be scientists of ourselves.
Andrew Huberman
2 Protocols
Daily Protein Intake Strategy
Andrew Huberman- Aim to ingest approximately one gram of quality protein per pound of lean body weight or desired body weight each day.
- Obtain 60-70% of your daily protein requirement from whole food sources such as quality lean meats, chicken, eggs, fish, or appropriate vegetarian combinations.
- Supplement the remaining 30-50% of your daily protein requirement with a protein powder or protein bar, such as whey protein, choosing one that fits your preferences and budget.
Self-Experimentation for Whey Protein and Acne
Andrew Huberman- If you experience issues with acne, try removing whey protein from your diet for a couple of days or weeks.
- Observe whether your acne symptoms decrease during this period.
- If you are a woman and notice acne exacerbates during particular phases of your menstrual cycle when taking whey protein, consider stopping its intake during those specific phases.
- If you experience no issues with acne while taking whey protein, continue its use as desired.