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Head-to-head evidence comparison — which supplement is right for you?
Boron vs L-Lysine: L-Lysine has the stronger overall evidence (5.5 vs 5.5/10); they're alternatives for bone health — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
L-Lysine wins 1 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
Top outcomes
Verdict
Probably helps
4 of 6 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Boron and L-Lysine have evidence — compare verdict strength side-by-side.
3-10mg (a typical label dose, no cited trial states the dose it used)
With a meal
Boron citrate or boron glycinate
500-3000mg daily; higher for active outbreaks
Empty stomach for better absorption, Divided doses throughout day, Away from high-arginine foods
L-Lysine HCl (capsules or powder)
1-4 weeks
Ongoing
2-4 weeks prevention; acute treatment faster
4-8 weeks
Ongoing
The Role of Mineral and Trace Element Supplementation in Exercise and Athletic Performance: A Systematic Review
Nutrients (2019) · Systematic review · n=29
Approximately 50% of athletes have reported consuming some form of micronutrient supplement; however, there is limited data confirming their efficacy for improving performance.
A Comparison of Boron Supplement and Tamsulosin as Medical Expulsive Therapy for Urinary Stones After Extracorporeal Shock Wave Lithotripsy: a Randomized Controlled Clinical Trial
Biological trace element research (2023) · Rct · n=81
No Significant side effects were reported in the two groups.
Possible therapeutic effects of boron citrate and oleoylethanolamide supplementation in patients with COVID-19: A pilot randomized, double-blind, clinical trial
Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) (2022) · Rct · n=19
Supplementation with boron citrate alone or in combination with oleoylethanolamide significantly improved O2 saturation and respiratory rate (p < 0.01).
The Impact of Amino Acids on Postprandial Glucose and Insulin Kinetics in Humans: A Quantitative Overview
Nutrients (2020) · Systematic review
55 studies of acute amino acid ingestion or infusion in healthy adults and people with obesity or type 2 diabetes. L-lysine was one of 11 amino acids covered, and the abstract gives no result for lysine alone.
Nutraceuticals and phytoceuticals in the treatment of schizophrenia: a systematic review and network meta-analysis "Nutra NMA SCZ"
Molecular psychiatry (2025) · Meta analysis · n=2384
50 randomised trials (2,384 participants) of 22 add-on nutraceuticals in schizophrenia or schizoaffective disorder.
A Dietary Supplement in the Management of Patients with Lumbar Osteochondrosis: A Randomized, Double-Blinded, Placebo-Controlled Study
Nutrients (2024) · Rct · n=50
50 patients with lumbar osteochondrosis took a six-ingredient supplement (collagen type II, hyaluronic acid, N-acetyl-glucosamine, bamboo extract, L-lysine and vitamin C) or placebo for 3 months. Lysine was one ingredient.
L-Lysine has a higher evidence score (5.5/10 vs 5.5/10) and wins in 1 of 3 categories.
For bone health, Boron has a higher relevance score (82 vs 65).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.