Milk
Milk is a nutrient-dense liquid from mammals containing high-quality protein, bioavailable calcium, and essential vitamins and minerals. It serves as a foundational source of bone-building nutrients and complete amino acids for longevity-focused nutrition.
Variants (5)
Nutrition · per ~240 g serving · ≈ 1 cup
- Vitamin B60.73 mg43% DV
- Vitamin B120.86 mcg36% DV
- Riboflavin0.25 mg19% DV
- Choline38.4 mg7% DV
- Thiamin0.05 mg4% DV
- Folate12.0 mcg3% DV
- Vitamin C2.2 mg2% DV
- Vitamin A69.6 iu1% DV
- Vitamin E0.19 mg1% DV
- Niacin0.10 mg<1% DV
- Vitamin K0.72 mcg<1% DV
- Calcium242.4 mg19% DV
- Phosphorus206.4 mg17% DV
- Potassium607.2 mg13% DV
- Selenium4.8 mcg9% DV
- Zinc0.91 mg8% DV
- Magnesium12.0 mg3% DV
- Copper0.02 mg3% DV
- Iron0.12 mg<1% DV
- Manganese0.01 mg<1% DV
- Sodium7.2 mg<1% DV
- Cholesterol33.6 mg
- Saturated Fat5.2 g
- Vitamin D3.1 iu
- Monounsaturated Fat2.4 g
- Polyunsaturated Fat0.31 g
- Choline~360 mg
Score · 73/100
Vitamins & minerals packed in relative to calories — the single biggest driver of the score.
How much protein it delivers, by absolute grams and per calorie.
Dietary fiber for gut health, satiety and steadier blood sugar.
Fat quality — unsaturated vs saturated, and trans-fat free.
Polyphenols, flavonoids and other beneficial plant compounds for this food group.
Low sugar with a high fiber-to-carb ratio scores best — gentler on blood sugar.
- Vitamin B643% DV
- Riboflavin24% DV
- Calcium22% DV
- Phosphorus16% DV
- Vitamin B1215% DV
Overview
Milk has been a cornerstone of human nutrition for over 10,000 years since the domestication of livestock. Its unique nutritional profile combines easily absorbed calcium and phosphorus in an optimal 1:0.8 ratio for bone mineralization, complete protein with all nine essential amino acids, and bioavailable micronutrients including vitamin A, potassium, and choline. The lactose naturally present aids calcium absorption through the intestinal epithelium. Milk's relevance to longevity centers on bone health maintenance—critical for preventing fractures and maintaining mobility in aging populations—and the emerging evidence for milk consumption's association with healthy body composition and metabolic health. Different types (whole, reduced-fat, or fat-free) offer varying saturated fat profiles; whole milk provides additional fat-soluble vitamins including vitamin D when fortified. The casein and whey proteins in milk contain bioactive peptides that may support muscle protein synthesis and cardiovascular health, making it particularly valuable for aging adults seeking to preserve lean mass and bone density.
Health Benefits (5)
- Supports bone mineral density and fracture preventionstrongCalcium and phosphorus in milk are absorbed efficiently together, promoting hydroxyapatite formation in bone matrix. Vitamin D fortification enhances intestinal calcium absorption.
- Promotes muscle protein synthesis and lean mass maintenancestrongMilk's complete amino acid profile, particularly leucine, activates mTOR signaling pathways necessary for muscle protein turnover. Whey protein fraction is especially rapid-acting.
- Supports cardiovascular health and blood pressure regulationmoderatePotassium content (253mg/100g) promotes vasodilation and sodium-potassium balance. Bioactive peptides from casein and whey may inhibit ACE enzyme activity.
- Enhances satiety and supports metabolic healthmoderateMilk protein increases cholecystokinin (CCK) and glucagon-like peptide-1 (GLP-1) secretion, promoting satiety signals. Associated with improved body composition in observational studies.
- Provides choline for cognitive and liver healthmoderateCholine (16mg/100g) is a precursor for acetylcholine neurotransmitter and phosphatidylcholine, supporting neuronal membrane integrity and methylation processes.
Food Pairings
- ·Pair with vitamin D-rich foods (fatty fish, egg yolks, mushrooms) to enhance calcium absorption efficiency through the vitamin D-calcium regulatory axis
- ·Combine with vitamin K2 sources (fermented cheeses, grass-fed butter, natto) to optimize bone mineralization and vascular health through osteocalcin activation
- ·Mix with berries to add polyphenols that reduce oxidative stress while milk's fat content enhances absorption of fat-soluble phenolic compounds
- ·Pair with whole grains containing phytic acid in moderation—phytates slightly reduce mineral absorption but milk's casein phosphopeptides help overcome this effect
Practical Tips
- ·Choose whole milk or 2% for better absorption of fat-soluble vitamins A, D, and K2, unless reducing saturated fat is a medical priority
- ·Select vitamin D-fortified milk in winter months or for those with limited sun exposure; aim for at least 600 IU per 8oz serving
- ·Consume milk within 7-10 days of opening; store at 40°F or below to preserve nutrient integrity and prevent bacterial overgrowth
- ·For lactose sensitivity, try lactase-treated milk, yogurt, or hard cheeses as alternatives that preserve nutrition while reducing digestive discomfort
- ·Consume 1-2 servings daily (8-16oz) as part of a varied diet rather than relying on milk as a sole calcium source; include leafy greens and legumes
Optimal Timing
Post-exercise milk consumption leverages the anabolic window when muscle protein synthesis is elevated. The combination of whey and casein proteins—fast and slow-digesting respectively—provides sustained amino acid delivery for 3-4 hours, maximizing muscle recovery.
Milk is also suitable at other times for satiety and bone health maintenance; timing is less critical than total daily intake and protein distribution across meals
Systems supported
body systems this food feedsPathways supported
biochemical reactions enabled by this foodCompared to other dairy
Per 100 g of the default form. Bars show how much higher or lower milk is than the average across 29 peer foods in this category. Green means a favorable direction; amber means the opposite.
What people ask about milk
What is milk?
Milk is classified as a liquid dairy (dairy). Milk is a nutrient-dense liquid from mammals containing high-quality protein, bioavailable calcium, and essential vitamins and minerals.
Is milk healthy?
Milk scores 73/100 in Formulate, making it a solid choice. Its strongest contributions come from Vitamin B6, Riboflavin, Calcium. The score blends nutrient density, fiber, healthy fats, protein quality, bioactive compounds, and glycemic impact.
Is milk high in protein?
Moderately — it contributes meaningful protein. A 240 g serving provides about 7.4 g of protein (~15% of the 50 g daily value).
Is milk high in fiber?
Not really. A 240 g serving provides about 0 g of fiber (~0% of the 28 g daily value).
What vitamins and minerals are in milk?
In a 240 g serving, milk is highest in Vitamin B6 (~43% DV), Vitamin B12 (~36% DV), Calcium (~19% DV), Riboflavin (~19% DV), Phosphorus (~17% DV).
Is milk keto-friendly?
Not really. A 240 g serving has about 10.7 g of net carbs (10.7 g total minus 0 g fiber).
When is the best time to eat milk?
Best after a workout. Post-exercise milk consumption leverages the anabolic window when muscle protein synthesis is elevated. The combination of whey and casein proteins—fast and slow-digesting respectively—provides sustained amino acid delivery for 3-4 hours, maximizing muscle recovery.
How much milk should I eat?
A typical serving is around 240 g (~146 kcal), based on the FDA's Reference Amount Customarily Consumed for this food category. There's no fixed daily target — most adults benefit from rotating milk alongside several other dairy sources.
Is milk an allergen?
Milk falls into the dairy (lactose) group, which is a common allergen. If you have a known allergy or sensitivity in this category, avoid it and consult a clinician before adding it back.
What pairs well with milk?
Milk pairs nicely with: Pair with vitamin D-rich foods (fatty fish, egg yolks, mushrooms) to enhance calcium absorption efficiency through the vitamin D-calcium regulatory axis; Combine with vitamin K2 sources (fermented cheeses, grass-fed butter, natto) to optimize bone mineralization and vascular health through osteocalcin activation; Mix with berries to add polyphenols that reduce oxidative stress while milk's fat content enhances absorption of fat-soluble phenolic compounds; Pair with whole grains containing phytic acid in moderation—phytates slightly reduce mineral absorption but milk's casein phosphopeptides help overcome this effect.
Supplements that mirror Milk's nutrient profile
Encyclopedia entries that supply the same signature nutrients milk contributes. Click through to see clinical dose ranges, evidence quality, and bioavailable forms.
Signature nutrients in Milk
These are the nutrients milkcontributes meaningfully toward (≥10% DV per 100 g serving). Click one to see what it does in the body, which supplements concentrate it, and which other foods are top sources.