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Frequently asked questions

  • Do SUSTAGEN products contain lactose?

    Yes, all SUSTAGEN products have lactose in differing quantities.

    SUSTAGEN Hospital Formula, SUSTAGEN Sport, SUSTAGEN ready-to-drink and SUSTAGEN Everyday are high in lactose as they are based on skim milk powder.

    SUSTAGEN OPTIMUM™ is low in lactose when made up with water (0.28g per serve).

  • Do SUSTAGEN product contain any artificial preservatives?

    No, SUSTAGEN products do not contain any added artificial preservatives.

  • Do SUSTAGEN products contain caffeine?

    All chocolate variants of SUSTAGEN contain a small amount of caffeine naturally occurring in the cocoa ingredient. SUSTAGEN Hospital Formula Coffee flavour also contains caffeine. All other flavours of SUSTAGEN do not contain caffeine.

  • Is SUSTAGEN gluten free?

    There are no gluten containing ingredients in any SUSTAGEN products.

    The following products have been tested and are labelled gluten free:

    1. • SUSTAGEN Hospital Formula
    2. • SUSTAGEN Hospital Formula plus Fibre
    3. • SUSTAGEN Ready to Drink
  • Does SUSTAGEN contain fructose?

    No, SUSTAGEN products do not contain fructose.

  • What age are SUSTAGEN products suitable for?

    SUSTAGEN Hospital Formula and SUSTAGEN Optimum™ are suitable for children aged 4 years and above.
    SUSTAGEN Everyday and SUSTAGEN Ready To Drink are suitable for children aged 4 years and above.
    SUSTAGEN Sport is not suitable for children under 15 years of age or pregnant women.

  • Are SUSTAGEN products suitable for Vegetarians or Vegans?

    As the SUSTAGEN range contains milk, they are not suitable for someone who is following a vegan diet. SUSTAGEN Hospital Formula, SUSTAGEN Hospital Formula Plus Fibre, SUSTAGEN Optimum, SUSTAGEN Ready to Drink and SUSTAGEN Everyday are all suitable for vegetarians.

  • Can you consume SUSTAGEN when pregnant?

    In most cases consumption of SUSTAGEN products during pregnancy is fine (besides SUSTAGEN Sport, as it is not suitable for pregnant women) and the additional nutritional intake is beneficial. However, as we do not know your medical history, we recommend that you check with your healthcare professional prior to taking this or any nutritional supplement.

  • Can you consume SUSTAGEN while breast feeding?

    In most cases consumption of SUSTAGEN products while breast feeding is fine and the additional nutritional intake is beneficial. However, as we do not know your medical history, we recommend that you check with your doctor prior to taking this or any nutritional supplement.

  • Can I make SUSTAGEN with full cream instead of low fat/skim milk?

    Yes, you can for all powdered SUSTAGEN products. However the nutrient content, including additional fat and calories from full cream milk, will be different to what is stated in the nutrition information panel on the packaging.

  • How long can SUSTAGEN be kept once prepared?

    It must be treated like any other food that is prepared. All prepared products should be tightly covered and consumed within 6 hours at room temperature or within 24hrs if refrigerated.

  • What is the shelf life of SUSTAGEN once it has been initially opened?

    Once opened, product should be used within 4 weeks.

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SUSTAGEN Hospital Formula is a formulated meal replacement and cannot be used as a total diet replacement. Consume as part of a varied and balanced diet and healthy lifestyle. SUSTAGEN OPTIMUM™ is a Food for Special Medical Purpose, specially formulated for medical conditions where nutritional needs cannot be met through diet modification alone. Must be used under the supervision of a healthcare professional. SUSTAGEN and SUSTAGEN Ready to Drink are Formulated Supplementary Foods which can be of assistance where dietary intakes of nutrients and energy may not be adequate. SUSTAGEN Sport is a Formulated Supplementary Sports Food which must be consumed in conjunction with a nutritious diet, not as a sole source of nutrition and should be used in conjunction with an appropriate physical training or exercise program. Not suitable for children under 15 years of age or pregnant women. Should only be used under medical or dietetic supervision.The advice given here is intended as a general guideline only and is not intended to replace the advice of a healthcare professional. Nutritional supplements can only be of assistance where dietary intake is inadequate. Please seek advice on your individual needs from an Accredited Practicing Dietitian or your healthcare professional.