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Protein
2 min read · 394 words
Protein is one of the macronutrients the system requires for tissue maintenance and repair, and most operators consume too little of it.
The mechanical fact: the body’s structural materials — muscle, organs, enzymes, hormones, immune components — are built from amino acids. The system synthesizes some of these internally and acquires the rest from dietary input. Insufficient input produces insufficient material for maintenance and repair, and the system either compensates by breaking down its own tissue (cannibalizing muscle for the amino acids it needs elsewhere) or by reducing maintenance below the rate that wear is occurring. Both produce measurable degradation over time.
The cultural distortions are notable. The recommended intakes published by general guidelines are often calibrated for minimum survival, not optimal maintenance, and operators who eat at those minimums while doing meaningful physical activity are running in chronic deficit. The aging operator’s protein requirement is higher than the young operator’s, not lower — because the synthesis efficiency declines with age and more input is required to produce the same maintenance. The active operator’s requirement is higher than the sedentary operator’s, because more material is being damaged and rebuilt.
The result for many operators: a slow, unrecognized deterioration. Muscle mass declines. Recovery from exertion takes longer. Strength reduces. Energy availability drops. The operator attributes these to aging or to lifestyle, when one of the more reliable contributors is simply not consuming enough of the structural material the system needs.
From the chair: assess current protein intake honestly. Many operators significantly overestimate it. Track for a week to get an accurate picture. If the actual intake is substantially below the level the operator’s activity and age would suggest, increase it.
The simpler version of the calculation: the operator who eats meaningful protein at most meals — eggs, meat, fish, dairy, legumes with the appropriate amino acid profile — is generally getting closer to adequate. The operator whose meals are predominantly carbohydrate and fat with protein as side garnish is generally not. Adjustments at the meal-composition level usually do more than adjustments at the supplement level.
The downstream effects of corrected intake are usually noticeable within weeks. Recovery improves. Strength returns. The depletion that was being attributed to other causes often turns out to have been protein deficit, masked by attribution to aging, stress, or lifestyle.