How Much Protein Do You Really Need?

Open any government nutrition website and you'll see the same number: 0.8 grams of protein per kilogram of bodyweight. That's the Recommended Dietary Allowance. It was set in the 1970s. It was designed to prevent nitrogen deficiency in sedentary adults. And it has almost nothing to do with the question you're actually asking.

If you train, the RDA isn't the floor or the ceiling — it's the wrong number entirely. The real question isn't "how much protein do I need to survive." It's "how much protein do I need to build the body I want, recover from training, and stay full enough to stick with the plan." The answer is a lot more than 0.8 grams per kilogram.

Where the real number lives

Two decades of decent research point to a usable range for adults who train:

• 0.7 g per pound of bodyweight — solid floor for most people who lift.
• 0.8–1.0 g per pound — the sweet spot for active adults in maintenance or muscle gain.
• 0.9–1.1 g per pound — what you want during a fat-loss phase, to protect muscle.

For a 175-pound person, that's roughly 120–200 grams of protein per day depending on the goal. That's a lot more than the RDA's ~63 grams. It's also achievable with normal food, without a powder shaker permanently attached to your hip.

Why eating MORE protein than "you need" is fine

A persistent myth is that excess protein damages your kidneys. In healthy adults, it doesn't. The studies that scared people into low-protein diets were on people with pre-existing kidney disease, where protein restriction is appropriate. For everyone else, eating 200g of protein a day is no different than 100g, except you're holding more muscle.

Another myth: "your body can only absorb 30g at a time." Also not true. Your body absorbs what you eat. The 30g number comes from research on maximum protein synthesis stimulation per meal, which is different from absorption. Eating 50g in one meal isn't wasted — it just means slightly less of the protein is going directly into muscle building.

The RDA is the dose for not dying. The training dose is for building. You're not asking the same question.

Why spread matters more than total

Hitting 200g of protein in two giant meals doesn't produce the same result as four meals of 50g each. Muscle protein synthesis spikes after a protein-rich meal and then falls back down within a few hours. Four spikes per day is more anabolic than two.

Practically: aim for 30–50g of protein per meal, three to five times a day.That's not a rule of physics. It's just the pattern that works best for most people chasing body composition goals.

Foods that make hitting this number reasonable

Hitting 180g of protein a day sounds impossible until you see what real protein density looks like:

• 6 oz chicken breast — 50g
• 6 oz lean ground beef (93/7) — 40g
• 1 cup Greek yogurt (non-fat) — 22g
• 4 large eggs + 4 whites — 30g
• 1 scoop whey isolate — 25g
• 1 can tuna in water — 30g
• 1 cup low-fat cottage cheese — 25g
• 6 oz lean turkey deli meat — 30g

Build a day around three of those and you're already at 100g without trying. Add a snack and a fourth, and you're at 150–200g. The math gets easy once you build the habit of anchoring every meal around protein first.

What "I can't eat that much" actually means

When someone says they can't hit a protein target, they almost always mean one of three things:

• They're skipping protein at breakfast. Breakfast is the cheapest, easiest protein meal of the day. Cottage cheese, eggs, Greek yogurt — all easy wins.
• They're filling up on low-protein carbs first. A bagel and cream cheese fills you up without doing the job. Switch the order.
• They haven't found protein they actually like. If you don't enjoy chicken, eat fish. If yogurt makes you gag, drink shakes. Protein doesn't care which form it shows up in.

The move

The RDA isn't wrong; it just isn't yours. If you train, recovery and muscle protection need a different number than not-dying does. Aim for 0.8–1.0g per pound of bodyweight, spread across the day, anchored to real food. Hit that number on most days and you'll change your body composition more than any other single nutrition habit.

Want to see what your target should be? Run your numbers — it'll set the protein target based on your weight and goal, not on a 50-year-old government recommendation.