The Protein Problem: Why Most People Eat Half of What They Need (and How to Fix It)

Ask ten people how much protein they eat and nine of them will say "probably not enough." They're usually right - but not because they haven't heard the advice. They've heard it. The problem is that "eat more protein" is one of those instructions that sounds specific but isn't. More than what? Enough for which goal? Spread across how many meals?

Without a concrete daily target, "more protein" stays as a vague intention and the under-eating continues. Here's what the number actually looks like, where it comes from, and how to hit it consistently.

Where the Confusion Comes From

The official recommended daily allowance (RDA) for protein in most countries sits at around 0.36g per pound of bodyweight (0.8g/kg). For a 75kg adult, that's about 60g per day. That number is frequently cited and equally frequently misapplied.

The RDA represents the minimum required to prevent deficiency in a sedentary person - not the amount needed to support muscle maintenance, active recovery, or body composition goals. For anyone exercising regularly, in a calorie deficit, over 35, or trying to change their body composition, 60g is almost certainly not enough.

Research from the International Society of Sports Nutrition consistently supports a target of 0.7–1.0g per pound of bodyweight for physically active individuals, with the higher end appropriate during calorie restriction to preserve lean muscle mass. For that same 75kg adult who exercises three or more days per week, that translates to 115–165g of protein daily - roughly double the RDA.

What Under-Eating Protein Actually Does

In a surplus (eating above maintenance), insufficient protein means the extra calories are more likely to be stored as fat rather than used for muscle synthesis. Progress in the gym slows, body composition stalls.

In a deficit, the consequences are more immediate. When the body is in a calorie shortfall, it looks for energy wherever it can find it - and if protein intake is low, lean muscle becomes part of that supply. The result is weight loss on the scale that includes a meaningful proportion of muscle, which reduces metabolic rate, undermines strength, and makes the deficit harder to maintain over time. This is sometimes called "skinny fat" progress: the number goes down but the body composition doesn't improve the way the person expected.

Adequate protein during a deficit isn't optional. It's what separates fat loss from weight loss.

Common Myths Worth Dismissing

"You need protein shakes." You don't. Protein powder is a convenient source, not a mandatory one. Whole food sources - meat, fish, eggs, dairy, legumes - are nutritionally superior in most ways. Shakes are useful when hitting your target from whole food alone is genuinely difficult, not as a default strategy.

"High protein damages your kidneys." In healthy individuals with no pre-existing kidney conditions, there is no credible evidence that high protein intake causes kidney damage. This claim has been repeatedly reviewed and consistently found to apply only to people with diagnosed kidney disease, not the general population.

"Plants don't have enough protein." Plant-based eaters can hit high protein targets, but it requires more deliberate food selection. Lentils, edamame, tofu, tempeh, seitan, and high-protein dairy (if included) all contribute meaningfully. The key is combining sources to ensure adequate amounts of all essential amino acids, and accepting that calorie-per-gram of protein is generally lower for plant sources than animal ones.

"More is always better." There's a ceiling. Research doesn't support meaningful additional benefit from protein intake above roughly 1.1g per pound of bodyweight for most people. Eating beyond that isn't dangerous, but it crowds out carbohydrates and fat that serve their own important functions. Hitting the target matters more than exceeding it.

How to Find Your Actual Target

Your protein target depends on three variables: your bodyweight, your goal (fat loss, maintenance, or muscle gain), and your activity level. The ranges above cover most scenarios, but the specific number within that range makes a practical difference - especially when you're building a meal plan around it.

The Protein Calculator on Consillar gives you a goal-specific daily target based on your actual inputs, not a generic rule of thumb. It also breaks the number down per meal - so instead of knowing you need 140g per day in the abstract, you can see what 35g per meal across four eating occasions actually looks like. That per-meal number is what makes the target actionable.

The Per-Meal Frame

Spreading protein across three to four meals is more effective than trying to hit the day's target in one or two sittings. There's a ceiling on how much protein can be meaningfully used in a single meal for muscle protein synthesis - most research points to around 30-40g per sitting as the practical upper limit for most people, with diminishing returns beyond that.

This means a daily target of 140g is best approached as four meals of approximately 35g each, rather than two large protein-heavy meals and two small ones. It's a small structural change that improves both the nutritional outcome and the day-to-day experience of eating.

High-Protein Foods Worth Knowing

Some reliable sources ranked by protein density (grams of protein per 100g of food):

• Chicken breast (cooked): 31g protein, ~165 kcal
• Canned tuna (in water): 25g protein, ~100 kcal
• Cottage cheese (low-fat): 11g protein, ~80 kcal
• Greek yogurt (plain, full-fat): 9g protein, ~100 kcal
• Eggs (whole): 13g protein, ~155 kcal
• Lentils (cooked): 9g protein, ~116 kcal
• Edamame (cooked): 11g protein, ~120 kcal
• Salmon fillet (cooked): 25g protein, ~208 kcal

The top of this list - chicken breast, tuna, cottage cheese - gives you the most protein for the fewest calories, which is particularly useful in a deficit. The lower items are less efficient per calorie but come with other nutritional benefits (fibre from lentils, omega-3s from salmon) that make them worth including regularly.

The Practical Line

Calculate your target once. Break it into per-meal portions. Build those portions into your eating pattern with the foods above. Adjust after three weeks based on what your progress shows.

That's it. Protein is the macro where precision pays off most - but precision only requires knowing the right number and understanding what hitting it looks like in practice. Neither of those things is complicated.