Objective-To examine whether solid versus liquid meal-replacement products differentially affect appetite and appetite-regulating hormones in older adults.Methods-On two occasions, 9 subjects (age: 61 ± 3 years; BMI: 25.6 ± 1.3 kg/m 2 ) consumed 25 % of daily energy needs as solid or liquid meal-replacements of similar energy contents. Blood and appetite ratings were collected over 4 hours. Results- Conclusion-The consumption of comparable meal-replacement products in solid versus liquid versions with similar energy contents led to differential appetitive responses and should not be viewed as dietary equivalents in older adults.

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