SUBSCRIBE & SAVE 20% ON EVERY ORDER
by Gabriel Sadowsky
The internet has a protein problem — not a shortage, but a flood of contradictory advice. One source says 50 grams a day is plenty. Another says you need your bodyweight in grams.
Here's what the research actually says — no bro-science, no supplement industry hype, just peer-reviewed data.
The U.S. Recommended Dietary Allowance (RDA) for protein is 0.8 grams per kilogram of body weight per day. For a 180-pound (82 kg) person, that's about 65 grams.
Research Note: The RDA of 0.8 g/kg/day represents the minimum intake to prevent deficiency in sedentary adults — not the optimal intake for muscle protein synthesis, recovery, or body composition in active populations.
— Morton RW, et al. British Journal of Sports Medicine, 2018
The RDA prevents nitrogen imbalance. It keeps you alive. It does not optimize performance, recovery, or lean mass retention.
The most comprehensive answer comes from meta-analyses published in the Journal of the International Society of Sports Nutrition.
| Goal | Protein (g/kg/day) | For 180-lb Person | Key Research |
|---|---|---|---|
| Sedentary (minimum) | 0.8 g/kg | ~65 g/day | RDA |
| General fitness | 1.2–1.4 g/kg | ~100–115 g/day | ACSM 2016 |
| Muscle building | 1.6–2.2 g/kg | ~131–180 g/day | Schoenfeld & Aragon, JISSN 2018 |
| Fat loss (deficit) | 1.8–2.7 g/kg | ~148–221 g/day | Helms et al., JISSN 2014 |
| Adults 40+ | 1.0–1.2 g/kg | ~82–100 g/day | Bauer et al., JAMDA 2013 |
Two things stand out: the optimal range for anyone who trains is two to three times the RDA. And fat loss actually requires more protein, not less.
When you're in a caloric deficit, your body doesn't just burn fat. It breaks down muscle tissue too — unless protein intake is high enough to preserve lean mass.
The fix: keep protein high (1.8 g/kg minimum) even when cutting calories.
To maximize muscle protein synthesis at each feeding, aim for 25–40g of protein per meal, distributed across 4–5 meals per day.
Each NOTG packet delivers exactly 25g of whey protein isolate — right at the research-backed threshold for triggering maximum MPS per feeding.
Total daily protein intake is a far stronger predictor of muscle gains than timing relative to exercise. The post-exercise "anabolic window" is much wider than previously believed — on the order of hours, not minutes.
Starting around age 30, you begin losing muscle mass at ~3–8% per decade. After 60, it accelerates. A minimum of 1.0–1.2 g/kg/day is recommended for adults over 65.
When total protein intake and essential amino acid content are matched, plant-based and animal-based sources produce comparable results. The key variables are total daily intake, leucine content, and amino acid variety.
| Food | Serving | Protein | Calories |
|---|---|---|---|
| Chicken breast (cooked) | 6 oz | ~42g | ~280 |
| Eggs (whole) | 3 large | ~18g | ~210 |
| Greek yogurt (nonfat) | 1 cup | ~20g | ~120 |
| Ground beef (90% lean) | 6 oz | ~36g | ~340 |
| Salmon fillet | 6 oz | ~34g | ~310 |
| Cottage cheese | 1 cup | ~28g | ~180 |
| NOTG Protein + Creatine Packet | 1 packet | 25g | ~120 |
| Tofu (firm) | 1/2 block | ~20g | ~180 |
| Lentils (cooked) | 1 cup | ~18g | ~230 |
| Meal | Food | Protein |
|---|---|---|
| Breakfast | 3 eggs + Greek yogurt | ~38g |
| Mid-morning | NOTG packet | 25g |
| Lunch | 6 oz chicken + rice + veg | ~42g |
| Afternoon | Cottage cheese + almonds | ~30g |
| Dinner | 6 oz salmon + quinoa + greens | ~34g |
| Daily Total | ~169g |
1. Calculate your target. Multiply body weight in kg by the range for your goal.
2. Distribute across 4–5 meals. Aim for 25–40g per meal.
3. Prioritize total daily intake over timing.
4. Eliminate friction. The best protein strategy is the one you actually follow.
5. Track for two weeks. Most people overestimate protein intake by 20–30%.
For active adults who train, 1.6–2.2 g/kg/day is the sweet spot. For fat loss, go higher. For adults over 40, the minimum shifts up. Total daily intake matters far more than timing. The RDA keeps you alive. The research-backed range keeps you performing.
