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Head-to-head evidence comparison — which supplement is right for you?
Arginine wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
14 of 22 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
7 of 7 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Arginine and Bromelain have evidence — compare verdict strength side-by-side.
3-6g daily
30-60 minutes before exercise, Divided doses throughout the day for cardiovascular benefits
L-Arginine powder or capsules
500-2000mg (measured in GDU — aim for 2000-3000 GDU)
On empty stomach for systemic effects, With meals for digestive effects
Capsules standardized to GDU (gelatin digesting units)
30-60 minutes
During exercise
2-4 weeks
Immediate
3-7 days
1-2 weeks
3-7 days
Nutritional interventions for preventing and treating pressure ulcers
The Cochrane database of systematic reviews (2024) · Meta analysis · n=7920
Compared to standard diet, protein supplements may result in little to no difference in pressure ulcer incidence (protein 21 per 1000, standard diet 28 per 1000; RR 0.75, 95% CI 0.49 to 1.14; 4 studies, 4264 participants; low-certainty evidence).
Comparative Effects of Different Nutritional Supplements on Inflammation, Nutritional Status, and Clinical Outcomes in Colorectal Cancer Patients: A Systematic Review and Network Meta-Analysis
Nutrients (2023) · Meta analysis · n=2841
Glutamine was superior in decreasing tumor necrosis factor-α (MD -25.2; 95% CrI [-32.62, -17.95]), whereas combined omega-3 and arginine supplementation was more effective in decreasing interleukin-6 (MD -61.41; 95% CrI [-97.85, -24.85]).
Nutritional interventions for treating foot ulcers in people with diabetes
The Cochrane database of systematic reviews (2020) · Meta analysis · n=629
It is also uncertain whether arginine, glutamine and β-hydroxy-β-methylbutyrate supplement increases the proportion of ulcers healed at 16 weeks compared with placebo (RR 1.09, 95% CI 0.85 to 1.40).
Exploring the Therapeutic Potential of Bromelain: Applications, Benefits, and Mechanisms
Nutrients (2024) · Systematic review
It has a long history of traditional medicinal use in various cultures, particularly in Central and South America, where pineapple is native.
Bromelain as a natural anti-inflammatory drug: a systematic review
Natural product research (2025) · Systematic review
Among these compounds, bromelain is highlighted, as a cysteine protease isolated from the Ananas comosus (pineapple) stem.
Bromelain and liver health: A comprehensive systematic review of preclinical studies
Clinical nutrition ESPEN (2025) · Systematic review
Our research suggests that bromelain possesses both prophylactic and curative qualities in terms of liver damage, as supported by its ability to decrease enzyme levels, enhance liver structure, reduce oxidative stress markers, and regulate lipid metabolism.
Based on meta-analysis showing mean reductions of 5.39 mmHg systolic and 2.66 mmHg diastolic. Effects are modest and may not be clinically significant for all individuals. GI side effects increase notably above 6g.
Based on meta-analysis showing statistically significant but modest pain reduction (mean difference -0.27). Effect size was small and studies showed moderate heterogeneity.
AI-estimated from published studies. Interpret as directional guidance.
Arginine has a higher evidence score (7.5/10 vs 5.5/10) and wins in 2 of 3 categories.
For reduce inflammation, Bromelain has a higher relevance score (75 vs 70).
No known interactions between Arginine and Bromelain have been documented in our database. However, always consult a healthcare provider before combining supplements.