To evaluate tolerance and acceptability of 'AYMES ActaGain' in patients requiring supplementary oral nutritional support compared with currently available alternatives, measuring outcomes of GI effects, Compliance, product preference, convenience etc.~To obtain data to support an ACBS submissions for 'AYMES ActaGain' (to allow for prescription in the community at NHS expense).
To evaluate tolerance and acceptability of 'AYMES ActaGain' in patients requiring supplementary oral nutritional support compared with currently available alternatives.