Protein after 50 without dairy

By the Dietary Guidelines figure we cite on our homepage, 65% of older adults don't eat the recommended 1.2–1.6g of protein per kilogram of body weight.

Most advice for fixing that runs through dairy: Greek yogurt, cottage cheese, a glass of milk, a whey shake. There's a real reason for that. Dairy is dense in leucine, the amino acid that signals muscle to put the protein you just ate to work.

If dairy doesn't agree with you, you can still get there. The math just changes, and hardly anyone shows it. So here it is: your daily and per-meal numbers, why leucine rather than grams becomes the limit without dairy, six dairy-free breakfasts that clear it, and a full sample day.

Your numbers

The Cantein amino acid calculator uses these rules, each from a cited source:

• 65 and over: at least 1.2 g/kg a day (PROT-AGE, ESPEN), about 0.4 g/kg per meal, and about 3g of leucine per meal. PROT-AGE's own figure is 25–30g of protein per meal with about 2.5–2.8g of leucine. The calculator uses the stricter 3g.
• 50 to 64: a daily target set by activity (1.2 g/kg if you're mostly sedentary, up to 1.6 g/kg if you strength train), about 0.3 g/kg per meal (0.4 if you lift), and about 2.5g of leucine per meal.

If you carry extra body fat, use a leaner reference weight. The calculator adjusts for this automatically.

Why "per meal" matters more with age

Muscle responds to protein meal by meal, and with age it responds less to the same dose. Researchers call this anabolic resistance. In one study, older men needed about 0.4 g/kg of protein in a meal to max out muscle protein synthesis, compared with about 0.24 g/kg for younger men (Moore et al., 2015). Leucine looks like a big part of the signal: older muscle needs a higher proportion of it to respond fully (Katsanos et al., 2006).

That's why the standard advice for older adults is to spread protein evenly across meals, instead of the common pattern of a light breakfast and a big dinner.

The leucine problem without dairy

Here's the part hardly anyone shows. Leucine per gram of protein varies by food, so the amount of protein it takes to clear the leucine line varies too.

Values come from the calculator's food table (USDA SR Legacy; Cantein labels). They aren't adjusted for digestibility. Plant proteins are usually somewhat less digestible, so if anything, the plant rows are optimistic.

What this means:

• A typical 27g dairy-free meal lands at roughly 1.7–2.5g of leucine, depending on the food. It clears the protein line and misses the 3g leucine line.
• Clearing 3g without dairy takes about 32–48g of protein in that meal. For most people over 65, the leucine target, not the protein target, decides how big a meal needs to be.
• Egg whites, eggs, shrimp, fish, and firm tofu are the most leucine-dense dairy-free foods in the table. Hemp is near the bottom.

Six dairy-free breakfasts that clear the line

For a lot of people, breakfast is the lightest-protein meal of the day, so it's the one to fix first. All six of these clear 3g of leucine:

Two near-misses worth knowing:

• 3 eggs, 2 oz salmon, and toast: 34.8g of protein and 2.79g of leucine. That's inside PROT-AGE's 2.5–2.8g range, just under the calculator's 3g.
• A vanilla hemp latte made with soy milk, plus 2 eggs: 42.5g of protein and 2.98g of leucine. A hair under 3g.

Notice where hemp lands. It only clears 3g when it's paired with eggs, or with soy milk and seeds, and those breakfasts run 44–49g of protein. That's the honest picture.

A full dairy-free day: 150 lb, age 67

Targets from the calculator: at least 82g a day (1.2 g/kg), about 27g per meal, and 3g of leucine per meal.

Breakfast clears 3g. Lunch and dinner clear 2.5g, which is PROT-AGE territory, but not 3g. Getting all three meals to 3g would take about 37g of protein each and put the day around 110g (1.6 g/kg). That's still within the range, but it's a lot of food if your appetite is small. If you can only fix one or two meals, fix breakfast and the meal after you exercise.

The 971 calories cover the protein-structured meals only. Add olive oil, fruit, grains, and vegetables to meet your energy needs.

If your appetite is small

Appetite often shrinks with age. When it does, protein per calorie (and per bite) matters more.

Three things that help:

• Drinks are easier than plates. One scoop of unflavored hemp in water is 28g of protein for 110 calories. In a cup of soy milk, it's 36g for 241 calories.
• Add a small fourth feeding mid-afternoon. It won't clear the leucine line, but it closes the daily gap.
• Watch for real warning signs. If you're losing weight without trying, or your appetite has dropped sharply, tell your doctor. That matters more than any meal plan.

Where hemp fits, and where it doesn't

It fits:

• It's dairy-free, low-volume, and calorie-light: 28g of protein in 110 calories (unflavored).
• It has all nine essential amino acids from one plant, with a short label: one ingredient in unflavored, six in flavored, and no stevia, sucralose, or sugar alcohols.
• The unflavored label also shows 417mg of magnesium (100% DV) and 13mg of zinc (120% DV) per scoop.

It doesn't fit:

• Clearing 3g of leucine by itself. A scoop carries 1.44g (flavored) or 1.80g (unflavored). Pair it with eggs, or with soy milk and seeds, or use it as the fourth feeding.
• Lysine. Hemp is lysine-limited, so put eggs, fish, tofu, or lentils in your other meals.

What the hemp research says for this age group, and what it doesn't

None of these studies used a Cantein product, and none of them is a reason to change a medication.

• Blood pressure. In a six-week crossover trial of 31 adults with hypertension, 24-hour blood pressure was 133.5/78.9 mmHg after 50g a day of hemp protein, compared with 137.0/81.8 after casein, and 128.1/75.9 with hemp plus hemp peptides (Samsamikor et al., American Journal of Clinical Nutrition, 2024). That's more hemp protein than one serving of Cantein, in people who already had high blood pressure. It isn't a treatment recommendation.
• Arteries (early evidence). A 2026 conference report on 33 adults at cardiovascular risk found lower central systolic pressure and lower arterial-stiffness measures after 16 weeks of 28g of hemp protein five days a week. It found no significant change in regular (arm) blood pressure. Treat it as preliminary.
• Muscle. The one hemp training trial was in trained young adults: eight weeks of hemp versus soy, with mixed, sex-specific results, and it didn't measure muscle protein synthesis (Kaviani et al., 2024). None of the controlled human hemp studies in our evidence review tested muscle in older adults. For muscle after 50, the evidence is about protein, leucine, and training in general, not hemp specifically.

The part protein can't do alone

Protein supports muscle. It doesn't build it by itself. The ESPEN recommendations for older adults pair protein with daily physical activity, including resistance exercise, and the US baseline for all adults is muscle-strengthening activity at least two days a week. Bands, body weight, and machines all count.

Before you change anything

• If you have chronic kidney disease, don't raise your protein without your doctor. Your targets are different.
• If you take a medication where protein timing matters (levodopa for Parkinson's is the common example), ask your care team before moving protein around.
• If chewing or swallowing is hard, a dietitian can help you find textures that still hit your numbers.

The short version

After 50, and especially after 65, spread protein across three meals. Without dairy, let leucine set the size of each meal: about 32–37g of protein from egg whites, eggs, fish, or firm tofu gets you to 3g. Fix breakfast first. Use a scoop to close the daily gap, not to carry the leucine on its own.

I run Cantein, a hemp protein company. Per-meal thresholds come from the Cantein amino acid calculator's cited methods (PROT-AGE, ESPEN, WHO/FAO/UNU, Moore 2015, Katsanos 2006), and food values come from USDA SR Legacy. This is general information, not medical advice.

Sources

• 65% figure: the Dietary Guidelines source linked on the cantein.com homepage. cdn.realfood.gov/DGA.pdf
• Bauer J et al. Evidence-based recommendations for optimal dietary protein intake in older people (PROT-AGE). JAMDA, 2013. doi.org/10.1016/j.jamda.2013.05.021
• Deutz NEP et al. Protein intake and exercise for optimal muscle function with aging (ESPEN). Clinical Nutrition, 2014. doi.org/10.1016/j.clnu.2014.04.007
• Moore DR et al. Protein ingestion to stimulate myofibrillar protein synthesis requires greater relative protein intakes in healthy older versus younger men. Journals of Gerontology: Series A, 2015. doi.org/10.1093/gerona/glu103
• Katsanos CS et al. A high proportion of leucine is required for optimal stimulation of muscle protein synthesis in the elderly. AJP Endocrinology and Metabolism, 2006. doi.org/10.1152/ajpendo.00488.2005
• Samsamikor M et al. Hemp seed protein and its hydrolysate compared with casein in adults with hypertension. AJCN, 2024. doi.org/10.1016/j.ajcnut.2024.05.001
• Hemp seed protein and arterial health indices in adults with increased cardiovascular risk. Proceedings of the Nutrition Society, 2026. doi.org/10.1017/S0029665126104108
• Kaviani M et al. Hemp supplementation during resistance training in trained young adults. European Journal of Applied Physiology, 2024. doi.org/10.1007/s00421-023-05337-7
• Physical Activity Guidelines for Americans, 2nd edition. health.gov/our-work/nutrition-physical-activity/physical-activity-guidelines
• Cantein evidence review. cantein.com/pages/publications

Also in this series: 100g of protein without whey · Why protein powder bloats you · If pea wrecks your stomach · Protein after 50, no dairy · Why our scoop stops at 2g fiber · All Learn pages