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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
Verdict
Likely helps
26 of 30 studies with measurable effects showed benefit.
Top outcomes
Liquid EPs 7630: 30 drops three times daily for adults during an acute infection
spread-through-day
Liquid extract (EPs 7630)
20-40g per serving
Post-workout (within 2 hours), Morning, Between meals
Whey Protein Isolate
Days 4-7 of an acute episode
Within the acute illness window
During use
4-8 weeks
24-48 hours post-workout
Immediate
Within hours of consumption
Pelargonium sidoides extract for treating acute respiratory tract infections.
Cochrane Database Syst Rev (2013) · Systematic review · n=10 trials; ~746 adults and ~819 children
Liquid EPs 7630 showed effectiveness for acute bronchitis in both adults and children; tablets did not
Treatment of acute bronchitis with EPs 7630: randomized, controlled trial in children and adolescents.
Pediatr Int (2012) · Rct · n=220 children/adolescents
Significantly greater BSS reduction with EPs 7630 versus placebo (P<0.0001)
Efficacy and tolerability of EPs 7630 tablets in patients with acute bronchitis: a randomised, double-blind, placebo-controlled dose-finding study with a herbal drug preparation from Pelargonium sidoides.
Wien Med Wochenschr (2010) · Rct · n=406 adults
All three active dose groups improved patient-reported outcomes versus placebo at day 7
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 6.5/10) and wins in 3 of 3 categories.
No known interactions between Pelargonium Sidoides and Whey Protein have been documented in our database. However, always consult a healthcare provider before combining supplements.