Meta Information

ID:protein

Name:Protein

Schema Version:1.5

Alternate Names

• Amino Acids
• Dietary Protein

Intervention Type

dietary_practice

Expected Cost Mean

Low Cost:

30

High Cost:

150

Cost Type:

monthly

Description:

Cost of powders, bars, or increased grocery expenses for protein-rich foods.

Summary

Protein provides the essential amino acid building blocks for cellular repair, enzyme production, and crucially, muscle protein synthesis. Adequate intake is fundamental for combating age-related muscle loss (sarcopenia), supporting immune function, and maintaining metabolic health, though its role in modulating the mTOR pathway presents a complex trade-off for longevity.

Purpose

Essential macronutrient for muscle synthesis, cellular repair, and metabolic function.

Card Summary

An essential macronutrient for maintaining muscle mass (preventing sarcopenia), supporting cellular repair, and immune function. The balance between sufficient intake for muscle health and potential mTOR activation is a key consideration for longevity.

Drug Class

Drugs In Class

Empty Array

Impact

Score:

8.5

Justification:

Foundational for preventing sarcopenia, maintaining mobility, and supporting metabolic health.

Evidence

Grade:

A

Score:

9.5

Justification:

Vast body of human RCTs and meta-analyses on muscle synthesis and sarcopenia.

Safety

Score:

1.5

Justification:

Extremely safe for healthy individuals; a fundamental dietary component.

Flags

• Excessive intake may strain kidneys in individuals with pre-existing renal disease.
• High protein intake, particularly from animal sources, can activate mTOR, a pathway linked to accelerated aging.
• Leucine content is a key driver of muscle protein synthesis but also a potent mTOR activator.
• Protein source quality (complete vs. incomplete amino acid profiles) significantly impacts efficacy.

Verdict

Essential for muscle health; prioritize sufficient intake, especially with age.

Created

2026-04-26T22:03:54.807584Z

Model

Gemini 3.1 Pro (High)

Delivery

Route:

none

Scope:

• systemic

Indication

Focus:

healthspan

Description:

Protein provides the essential amino acid building blocks for cellular repair, enzyme production, and crucially, muscle protein synthesis. Adequate intake is fundamental for combating age-related musc...

Typical Protocol

• Consume 1.2-1.6 grams of protein per kilogram of body weight daily to combat sarcopenia.
• Distribute protein intake evenly across 3-4 meals to maximize muscle protein synthesis.
• Prioritize high-quality, complete protein sources rich in essential amino acids like leucine.