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Head-to-head evidence comparison — which supplement is right for you?
Whey Protein wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
Top outcomes
Verdict
Likely helps
26 of 30 studies with measurable effects showed benefit.
Top outcomes
Prescription-only, clinician-directed. Subcutaneous 20 µg once daily within the hour before the first meal of the day, after a 10 µg starting dose for 14 days. DO NOT self-dose.
morning
Subcutaneous once-daily injection (Adlyxin / Lyxumia)
20-40g per serving
Post-workout (within 2 hours), Morning, Between meals
Whey Protein Isolate
Weeks (24-week endpoints)
Per meal / weeks
Months
Median 25 months
4-8 weeks
24-48 hours post-workout
Immediate
Within hours of consumption
Lixisenatide in Patients with Type 2 Diabetes and Acute Coronary Syndrome (ELIXA).
N Engl J Med (2015) · Rct · n=6068
Cardiovascular-outcomes RCT: 6,068 patients with type 2 diabetes and a recent acute coronary syndrome (MI or unstable angina within 180 days), lixisenatide vs placebo added to usual care, median 25 months
Efficacy and safety of the once-daily GLP-1 receptor agonist lixisenatide in monotherapy: a randomized, double-blind, placebo-controlled trial in patients with type 2 diabetes (GetGoal-Mono).
Diabetes Care (2012) · Rct · n=361
Phase-3 double-blind 12-week RCT, 361 drug-naive patients with type 2 diabetes randomized to lixisenatide (two titration regimens) or placebo
Adding once-daily lixisenatide for type 2 diabetes inadequately controlled by established basal insulin: a 24-week, randomized, placebo-controlled comparison (GetGoal-L).
Diabetes Care (2013) · Rct · n=495
Phase-3 double-blind RCT, 495 patients on established basal insulin with inadequate control, add-on lixisenatide 20 µg vs placebo for 24 weeks
Comparative Efficacy of Different Protein Supplements on Muscle Mass, Strength, and Physical Indices of Sarcopenia among Community-Dwelling, Hospitalized or Institutionalized Older Adults Undergoing Resistance Training: A Network Meta-Analysis of Randomized Controlled Trials
Nutrients (2024) · Meta analysis · n=5272
Treatment effects for main outcomes were expressed as standard mean difference (SMD) with 95% confidence interval (CI).
Effects of Whey Protein, Leucine, and Vitamin D Supplementation in Patients with Sarcopenia: A Systematic Review and Meta-Analysis
Nutrients (2023) · Meta analysis · n=637
However, appendicular muscle mass significantly improved in the experimental group compared to the control group.
A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength
British Journal of Sports Medicine (2018) · Meta analysis · n=1863
Protein supplementation increases muscle mass gains
Based on multiple meta-analyses with >3000 participants. Effects require concurrent resistance training. Benefits plateau around 30-40g per serving. Isolate forms may reduce digestive issues.
AI-estimated from published studies. Interpret as directional guidance.
Whey Protein has a higher evidence score (9/10 vs 5/10) and wins in 3 of 3 categories.
No known interactions between Lixisenatide and Whey Protein have been documented in our database. However, always consult a healthcare provider before combining supplements.