Exploratory Study on a Multi-nutrient Supplement and Exercise Program for Improving Health Markers Associated to Longevity in Pre-frail Adults

Inclusion Criteria 1. Singapore residents of all ethnic groups 2. Adults aged 50-80 years (both male and female) 3. Body mass index (BMI) ≥18 kg/m² 4. Classified as Prefrailty according to Fried frailty criteria 5. Willing and able to attend all data collection visits and to comply with the exercise and supplementation protocols. 6. Able and willing to provide written informed consent. Exclusion Criteria: 1. Current use of supplements containing: Bifidobacterium longum 536 (BB536) like Kordel's BB536 bifidus; Bifidobacterium longum such as GniiB immunity; GOS (Galacto-oligosaccharides); FOS (Fructo-oligosaccharides); Inulin or any commercial healthy-aging powdered milk products 2. BMI \>30 kg/m2 3 Being on special diets including but not limited to ketogenic diets or diets prescribed by a healthcare professional 4\. Received any vaccination within the past 8 weeks. 5. Inition of new medication or use of medications affecting gastrointestinal function within the past 8 weeks, including but not limited to antibiotics or Proton pump inhibitors 6. Known allergies or intolerances, including, soy allergy; fibre allergy (e.g., GOS) or requirement for a fibre-free diet; fish allergy; Cow's milk protein allergy or lactose intolerance; galactosaemia 7. More than two unstable chronic conditions (e.g., hypertension, diabetes, hyperlipidemia, osteoarthritis, COPD) 8. Medical conditions for which probiotic use is contraindicated, including but not limited to immunocompromised individuals, astrointestinal failure or severe gastrointestinal disturbances (e.g., blood in stool), presence of a central venous catheter, open wounds following surgery 9. Contraindications to oral feeding, including gastrointestinal failure, complete intestinal obstruction, inability to access the gut or high loss intestinal fistulae 10. Known renal disease were unable to tolerate 2 servings per day. 11. Intake of supplemental calcium \>500 mg/day or vitamin D \>40 µg/day (1600 IU) from all sources, including diet and supplements 12. Use of medications that may interact with or impair absorption of milk products (e.g., tetracyclines) 13. Any other condition deemed by PI that may compromise participant safety and study compliance.