Beef Versus Whey Protein: The Gut Showdown Self-Experiment

Condition(s) studied

Investigational drug(s) / intervention(s)

Beef protein: Original beef protein powder chocolate flavor, manufactured by Equip, packed with 21g of complete protein, plus naturally occurring collagen and gelatin

Chocolate whey protein: Whey protein isolate is a dairy-derived protein powder containing ≥90% protein by weight, with minimal lactose and fat. The product is provided as a flavored powder and administered orally when mixed with water. The product does not contain added bioactive ingredients beyond standard whey protein isolate.

Study summary

Test whether a doctor-formulated protein made from real beef is more digestible than standard whey protein powder. For the first 30 days, participants receive either standard whey protein powder or Equip Protein and track how the gut responds weekly. At the 30 day mark, all participants receive the standard Equip protein to track differences in digestability.

Eligibility

Primary outcome measure(s)

• PROMIS® Scale v1.0 - Gastrointestinal Constipation 9a — Change from baseline (Day 1-5) in gastrointestinal constipation at 4 weeks after the start of the intervention (Day 25-35)
  Outcome Measure Description: Change from baseline in gastrointestinal constipation as assessed by the Patient-Reported Outcomes Measurement Information System® (PROMIS®) Gastrointestinal Constipation 9a Scale, Version 1.0, which evaluates constipation frequency, severity, and impact over the past 7 days. Scoring: Each item is scored 1-5; total raw scores are converted to a T-score metric (range \~25-85). Higher scores indicate more severe constipation (worse outcome).
• PROMIS® Scale v1.0 - Gastrointestinal Belly Pain 5a Survey — Change from baseline (Day 1-5) in gastrointestinal belly pain at 4 weeks after the start of the intervention (Day 25-35)
  Outcome Measure Description: Change from baseline in gastrointestinal belly pain as assessed by the Patient-Reported Outcomes Measurement Information System® (PROMIS® Gastrointestinal Belly Pain 5a Scale, Version 1.0), measuring frequency and intensity of abdominal pain over the past 7 days. Scoring: Each item scored 1-5; T-score conversion range \~25-80. Higher scores indicate more severe belly pain (worse outcome).
• PROMIS® Scale v1.0 - Gastrointestinal Bowel Incontinence 4a Survey — Change from baseline (Day 1-5) in gastrointestinal bowel incontinence at 8 weeks after the start of the intervention (Day 55-65)
  Outcome Measure Description: Change from baseline in gastrointestinal bowel incontinence as assessed by the Patient-Reported Outcomes Measurement Information System® (PROMIS® Gastrointestinal Bowel Incontinence 4a Scale, Version 1.0), evaluating frequency and impact of bowel incontinence over the past 7 days. Scoring: Each item scored 1-5; T-score conversion range \~25-80. Higher scores indicate more severe bowel incontinence (worse outcome).
• PROMIS Scale v1.1 - Gastrointestinal Gas and Bloating 13a — Change from baseline (Day 1-5) in gastrointestinal gas and bloating at 4 weeks after the start of the intervention (Day 25-35)
  Outcome Measure Description: Change from baseline in gastrointestinal gas and bloating as assessed by the Patient-Reported Outcomes Measurement Information System® (PROMIS® Gastrointestinal Gas and Bloating 13a Scale, Version 1.1), which evaluates frequency and intensity over the past 7 days. Scoring: Each item scored 1-5; T-score conversion range \~25-85. Higher scores indicate more severe gas and bloating (worse outcome).

Trial sites (1)

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