Frequently Asked Questions
How much protein do I need?
Per ISSN/ACSM position stands: sedentary adults 0.8 g/kg (RDA, minimum); active adults 1.2–1.6 g/kg; resistance-trained athletes 1.6–2.2 g/kg; cutting at a deficit 2.0–2.4 g/kg to preserve lean mass.
Is too much protein dangerous?
In healthy adults, intakes up to 3.0–3.5 g/kg/day have been shown safe (no harm to kidneys, bones, or hydration in well-conducted studies). People with chronic kidney disease should follow a nephrologist's individualized limits. This is general information, not medical advice - consult your doctor before making changes to your health, diet, or exercise routine.
How should I distribute protein?
Distribute 0.3–0.4 g/kg across 3–5 meals every 3–5 hours to maximize muscle protein synthesis throughout the day. Pre-sleep ~30–40 g of slow-digesting protein (e.g., casein) further supports overnight recovery in trained lifters.
Are plant proteins as effective?
Yes when total intake and amino acid coverage are adequate. Plant proteins are typically lower in leucine and other essentials, so vegan athletes often target ~10–20% higher total daily protein and combine sources (legumes + grains, soy, pea/rice blends).
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This calculator provides estimates for informational purposes only. Results are based on assumptions and may not reflect actual outcomes. Consult qualified professionals in relevant fields before making important decisions based on these results.