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The first-choice formula for lactose intolerance

Enfamil O-Lac is a lactose-free formula designed for babies with mild gastrointestinal discomfort (colic, bloating, wind, diarrhoea) due to lactose intolerance.1

  • Made with cow’s milk, Enfamil O-Lac has the same taste and appearance as routine formula, which means it is readily accepted by babies.
  • It is nutritionally complete and suitable for babies from birth.

Gastroenteritis: a common cause of temporary lactose intolerance

  • Temporary lactose intolerance is common after gastroenteritis2
  • May last up to 4–6 weeks when associated with moderate to severe dehydration3
  • Infants most at risk of lactose intolerance include those:
    • Under 1 year or underweight4
    • With severe diarrhoea, especially when caused by rotavirus enteritis3

Enfamil O-Lac is clinically proven to speed recovery

  • Shortens the duration of diarrhoea in dehydrated, hospitalised children5
  • Produces significant weight gain vs routine formula in infants with recent gastroenteritis following rehydration5

Excellent nutritional profile

  • Nutritionally complete for infants up to 6 months of age, and can be used as part of a lactose-free diet in older children
  • Contains cow’s milk and has a similar taste to routine formula, so well accepted
  • Enriched with LIPIL to support brain and eye development6–8 Learn more


Glucose syrup, vegetable oils (palm olein, coconut, soya, high oleic sunflower), milk protein, calcium phosphate, sodium citrate, emulsifier (soya lecithin), potassium chloride, single cell oils (ARA from Mortierella alpina and DHA from Crypthecodinium cohnii), potassium citrate, magnesium phosphate, calcium carbonate, sodium L-ascorbate, choline chloride, inositol, ferrous sulphate, taurine, L-carnitine, zinc sulphate, antioxidant (ascorbyl palmitate), DL-alpha tocopheryl acetate, nicotinamide, calcium pantothenate, cupric sulphate, retinyl palmitate, manganese sulphate, riboflavin, thiamin hydrochloride, pyridoxine hydrochloride, potassium iodide, folic acid, phytomenadione, sodium molybdate, chromic chloride, sodium selenite, D-biotin, cholecalciferol, cyanocobalamin.


  1. Du Toit G, Meyer R, Shah N et al. Identifying and managing cow’s milk protein allergy. Arch Dis Child Educ Pract Ed 2010;95:134-44.
  2. Fox R, Leen CL, Dunbar EM et al. Acute gastroenteritis in infants under 6 months old. Arch Dis Child 1990;65:936-8.
  3. Davidson GP, Goodwin D, Robb TA. Incidence and duration of lactose malabsorption in children hospitalized with acute enteritis: study in a well-nourished urban population. J Pediatr 1984;105:587-90.
  4. Lifshitz F, Fagundes NU, Garcia Olivo CA et al. Refeeding of infants with acute diarrheal disease. J Pediatr 1991;118:S99-108.
  5. Wall CR, Webster J, Quirk P et al. The nutritional management of acute diarrhea in young infants: effect of carbohydrate ingested. J Pediatr Gastroenterol Nutr 1994;19:170-4.
  6. Birch EE, Carlson SE, Hoffman DR et al. The DIAMOND (DHA Intake And Measurement Of Neural Development) Study: a double-masked, randomized controlled clinical trial of the maturation of infant visual acuity as a function of the dietary level of docosahexaenoic acid. Am J Clin Nutr 2010;91:848-59.
  7. Drover J, Hoffman DR, Castaneda YS et al. Three randomized controlled trials of early long-chain polyunsaturated Fatty Acid supplementation on means-end problem solving in 9-month-olds. Child Dev 2009;80:1376-84.
  8. Morale SE, Hoffman DR, Castaneda YS et al. Duration of long-chain polyunsaturated fatty acids availability in the diet and visual acuity. Early Hum Dev 2005;81:197-203.
  9. Crittenden RG, Bennett LE. Cow’s milk allergy: a complex disorder. J Am Coll Nutr 2005;24:582S-91S.
  10. Vandenplas Y, Koletzko S, Isolauri E et al. Guidelines for the diagnosis and management of cow’s milk protein allergy in infants. Arch Dis Child 2007;92:902-8.

Additional information

Weight 510 g


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