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Lactose-free reduced-fat milk is a dairy product where the natural milk sugar, lactose, has been broken down into simpler sugars (glucose and galactose) by the enzyme lactase, making it digestible for those with lactose intolerance. It has a slightly sweeter taste than regular milk due to this pre-digestion, and a texture that is nearly identical to standard 2% milk, though some find it marginally thinner. Nutritionally, it provides a good source of protein and calcium while being lower in fat than whole milk, with a calorie count of 50 kcal per 100g.
Calorie split: 27% protein · 39% carbs · 34% fat
↓ Full nutritionPeople love it for its familiar, comforting dairy flavor and creamy texture without the digestive distress of lactose. It's a versatile staple in breakfast cereals, coffee, and baking, seamlessly replacing regular milk in most recipes while being a cultural norm for many who grew up with dairy but developed intolerance later in life.
The slightly sweeter taste can be off-putting to those accustomed to the mild flavor of regular milk, and it's still a common allergen (milk protein). For those watching blood sugar, the pre-digested sugars (glucose and galactose) can cause a faster blood sugar spike than regular milk. To counteract this, pair it with high-fiber foods like oatmeal or nuts, or choose a version with added fiber; for the allergen, consider plant-based alternatives if milk protein sensitivity exists.
The process of making lactose-free milk involves adding the enzyme lactase, which is the same enzyme naturally produced in the human small intestine but is deficient in lactose-intolerant individuals; this enzyme is often derived from fungi like Aspergillus oryzae.
| Water | 89.1 g |
| Energy | 50.0 kcal |
| Protein | 3.4 g |
| Total lipid (fat) | 1.9 g |
| Carbohydrate, by difference | 4.9 g |
| Fiber, total dietary | 0.00 g |
| Total Sugars | 4.9 g |
| Calcium, Ca | 126 mg |
| Iron, Fe | 0.00 mg |
| Magnesium, Mg | 12.0 mg |
| Phosphorus, P | 103 mg |
| Potassium, K | 159 mg |
| Sodium, Na | 39.0 mg |
| Zinc, Zn | 0.43 mg |
| Copper, Cu | 0.00 mg |
| Selenium, Se | 1.8 ug |
| Vitamin C, total ascorbic acid | 0.20 mg |
| Thiamin | 0.06 mg |
| Riboflavin | 0.14 mg |
| Niacin | 0.11 mg |
| Vitamin B-6 | 0.06 mg |
| Folate, total | 2.0 ug |
| Folic acid | 0.00 ug |
| Folate, food | 2.0 ug |
| Folate, DFE | 2.0 ug |
| Choline, total | 18.2 mg |
| Vitamin B-12 | 0.55 ug |
| Vitamin B-12, added | 0.00 ug |
| Vitamin A, RAE | 83.0 ug |
| Retinol | 83.0 ug |
| Carotene, beta | 3.0 ug |
| Carotene, alpha | 0.00 ug |
| Cryptoxanthin, beta | 0.00 ug |
| Lycopene | 0.00 ug |
| Lutein + zeaxanthin | 0.00 ug |
| Vitamin E (alpha-tocopherol) | 0.03 mg |
| Vitamin E, added | 0.00 mg |
| Vitamin D (D2 + D3) | 1.1 ug |
| Vitamin K (phylloquinone) | 0.20 ug |
| Alcohol, ethyl | 0.00 g |
| Caffeine | 0.00 mg |
| Theobromine | 0.00 mg |
| Fatty acids, total saturated | 1.1 g |
| SFA 4:0 | 0.04 g |
| SFA 6:0 | 0.03 g |
| SFA 8:0 | 0.02 g |
| SFA 10:0 | 0.05 g |
| SFA 12:0 | 0.06 g |
| SFA 14:0 | 0.18 g |
| SFA 16:0 | 0.51 g |
| SFA 18:0 | 0.18 g |
| Fatty acids, total monounsaturated | 0.40 g |
| MUFA 16:1 | 0.03 g |
| MUFA 18:1 | 0.41 g |
| MUFA 20:1 | 0.00 g |
| MUFA 22:1 | 0.00 g |
| Fatty acids, total polyunsaturated | 0.06 g |
| PUFA 18:2 | 0.06 g |
| PUFA 18:3 | 0.01 g |
| PUFA 18:4 | 0.00 g |
| PUFA 20:4 | 0.00 g |
| PUFA 20:5 n-3 (EPA) | 0.00 g |
| PUFA 22:5 n-3 (DPA) | 0.00 g |
| PUFA 22:6 n-3 (DHA) | 0.00 g |
| Cholesterol | 8.0 mg |
Estimated from Potatoes, mashed, prepared from granules, without milk, whole milk and margarine — USDA does not publish this profile for Milk.
| Tryptophan | 0.02 g |
| Threonine | 0.09 g |
| Isoleucine | 0.11 g |
| Leucine | 0.17 g |
| Lysine | 0.15 g |
| Methionine | 0.04 g |
| Cystine | 0.02 g |
| Phenylalanine | 0.10 g |
| Tyrosine | 0.09 g |
| Valine | 0.13 g |
| Arginine | 0.08 g |
| Histidine | 0.05 g |
| Alanine | 0.07 g |
| Aspartic acid | 0.25 g |
| Glutamic acid | 0.39 g |
| Glycine | 0.05 g |
| Proline | 0.15 g |
| Serine | 0.10 g |
Is lactose-free milk the same as dairy-free milk?
No, lactose-free milk is still dairy milk (from cows) with the lactose sugar broken down, while dairy-free milks are plant-based alternatives like almond, soy, or oat milk.
Does lactose-free milk have more sugar than regular milk?
It has the same total amount of sugar, but the lactose is pre-digested into glucose and galactose, which can make it taste sweeter and may cause a faster blood sugar response.
Can I use lactose-free milk in baking?
Yes, it can be used as a 1:1 substitute for regular milk in most baking recipes, though the slightly sweeter taste might subtly alter the flavor profile.
NRF9.3 index — Fulgoni, Keast & Drewnowski, 2009. Computed from USDA nutrients.
Composite of energy density (Rolls et al., 1999), protein & fiber satiety, minus sugar. A calculated heuristic — ranks satiety-per-calorie, not a clinical measure.
Sodium-to-potassium ratio: 0.25 (lower is better — aim for ≤ 1)
Sodium:potassium per WHO potassium guidance. Computed from USDA nutrients.