Muscle is the new frontier. Whether it's farmers turning whey into profit, astronauts fighting atrophy in orbit, or biotech firms turning creams into signal boosters, one thing is clear: the science of strength is getting smarter.

🧀 Whey More Valuable Than Cheese

From barn waste to $10-a-pound gold dust: whey protein is now propping up America’s dairy industry
  • Whey is now the moneymaker: A pound of top-grade whey powder that cost ~$3 in 2020 now costs ~$10 today - 3x jump powered by weight-lifters, keto dieters, and GLP-1 users who need extra protein.

  • Volume is surging: U.S. plants cranked out 48 million lbs of high-protein whey powder in May 2025, up from 8 million in 2003.

  • Farmers feel it: Whey now averages 8-10% of a dairy farmer’s monthly milk check, versus <6% pre-2021.

Why you should care: Whey delivers the leucine dose for muscle-protein synthesis with minimal calories. Price for shakes, bars, and “protein-infused” foods will likely keep rising as demand outpaces new drying capacity (ability to convert raw whey into protein powder) over the next 24 months.

Ken Heiman, the chief executive of Nasonville Dairy, began his career in the 1960s. In those days, whey was pumped down a river, spread on a field or fed to pigs

🚀 Space Gains

Microgravity shreds muscle at up to 1-2% per week
  • Why this happens: In microgravity (like on the ISS), the body no longer needs to fight gravity to move or stay upright. This causes disuse atrophy and loss of muscle mass.

  • Muscle-stim squats: Astronauts Nichole Ayers and Jonny Kim strapped on thigh electrodes that pulsed low-current electricity (10–50 mA) during squats. The result: 30% more muscle fiber recruitment using the same load on NASA’s space squat rack (the ARED).

  • AstroSkin 2.0: A smart vest + headband combo worn for 48 hours, tracking everything from posture and HRV (heart rate variability) to brain oxygenation and skin temperature. Originally built for space, it’s now being tested in ICUs to detect early signs of muscle wasting, and could soon help you personalize your nutrition and training based on wearable feedback.

Why you should care: Space is fast-tracking the future of muscle health. By pairing EMS (electrical muscle stimulation) with biometric feedback, astronauts are unlocking smarter ways to train and recover with less equipment and more precision. That same combo could soon show up in gyms, physical therapy, and even wearables.

ESA (European Space Agency) astronaut Alexander Gerst gets a workout on the Advanced Resistive Exercise Device (ARED)

🦄 Product Spotlight

South Korea’s EX Healthcare rolls out dermaFIT, a topical cream that fights muscle loss through an unexpected route: your skin
  • How it works: dermaFIT is designed to stimulate exosomal micro-RNAs, which are tiny gene-regulating messengers that help muscle cells repair, grow, and resist atrophy. Think of it as whispering regenerative instructions straight to your cells.

  • Why it’s different: Unlike pills or injections, dermaFIT works through skin absorption, potentially making it one of the first non-invasive exosome-activating therapies for muscle maintenance.

  • What’s next: If dermaFIT proves effective, this category of product could find crossover appeal in sports recovery, longevity, and even cosmetic biotech.

Why you should care: This is part of a growing wave of cell-signaling-based therapies targeting aging and chronic conditions like sarcopenia (age-related muscle wasting).

The muscle loss prevention cosmetic ‘Dermafit Muscle Retention Cream’ from EX Healthcare

📚 Today’s Dictionary

  • Whey Isolate: A highly concentrated form of whey protein that contains 90% or more protein by weight, processed to remove lactose and fat.

  • Leucine: An essential amino acid key to triggering muscle-protein synthesis and muscle growth.

  • Exosomal micro-RNAs: Tiny molecules that regulate gene expression, influencing muscle repair and growth.

  • HRV (Heart Rate Variability): Variations in the time between heartbeats, used as an indicator of stress, recovery, and overall health.

  • Electrical Muscle Stimulation (EMS): Using electric pulses to contract muscles, increasing muscle activation during workouts or recovery.

  • Sarcopenia: Age-related loss of muscle mass and strength, contributing significantly to frailty and reduced mobility.

🔄 Read More

Stay Stacked,

The Stack

Current Referral Count: {{rp_num_referrals}}

What did you think of today's newsletter?

Your feedback helps us create the best content possible.

Login or Subscribe to participate

Disclaimer: This content is for informational purposes only and is not intended to substitute for professional medical advice, diagnosis, or treatment. We aim to provide useful, evidence-informed insights. Your health is personal, and decisions should be made based on what works best for you.

Reply

or to participate

Keep Reading

No posts found