Verdict No. 446 · Search date 2026-07-17 · Methodology v0.6
Lactiplantibacillus plantarum TWK10,
does it really help with Improvement of endurance performance, strength, and fatigue recovery?
30-Second Summary
C
Evidence Grade C · 52 · Safety unknown
This efficacy verdict applies only to the TWK10 strain. General probiotic gut effects and animal endurance findings were not pooled into the human exercise verdict.
What the
research showsSmall human trials lasting 6 to 18 weeks reported improvements in time to exhaustion, grip strength, muscle mass, or selected fatigue markers. Most studies, however, came from the same Taiwanese investigator and supplier network, and no large independent trial has confirmed competition outcomes or durable recovery benefits.
research showsSmall human trials lasting 6 to 18 weeks reported improvements in time to exhaustion, grip strength, muscle mass, or selected fatigue markers. Most studies, however, came from the same Taiwanese investigator and supplier network, and no large independent trial has confirmed competition outcomes or durable recovery benefits.
What the
ads claimA claim that this is a probiotic with recognized exercise-performance functionality means that studies exist for a defined TWK10 ingredient and intake. It does not guarantee better records, muscle growth, or recovery for every athlete, and it does not extend to other probiotic strains.
ads claimA claim that this is a probiotic with recognized exercise-performance functionality means that studies exist for a defined TWK10 ingredient and intake. It does not guarantee better records, muscle growth, or recovery for every athlete, and it does not extend to other probiotic strains.
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Gap Measurement · Verdict 446 · C 52
What the research actually shows
Key studies include a 54-person six-week trial of 3×10^10 or 9×10^10 CFU per day, a 30-man trial of 3×10^10 heat-killed cells per day, and an 18-week frailty trial using 2×10^10 or 6×10^10 CFU per day. Outcomes included time to exhaustion at 85% of VO2max, grip strength, body composition, and blood fatigue markers.
Why this is classified as C (52)
Repeated positive small randomized trials justify a grade above D, while branded-strain concentration, a single-supplier network, short follow-up, and surrogate or laboratory outcomes impose the C ceiling.
Counterpoint. Time to exhaustion is a meaningful exercise-physiology measure, but it is not the same as competition performance, injury reduction, or recovery from everyday fatigue.
Rejudgment record. New verdict — The assessment separated strain-specific human evidence by sample size, independence, funding and conflicts, outcome type, and dose matching, then applied the single-branded-ingredient ceiling.
Sub-claim grades by effect
This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.
| Effect (sub-claim) | Grade | Basis |
|---|---|---|
| Improved endurance exercise performance | C | Positive time-to-exhaustion trials recur, but they are small, short, and concentrated in the same investigator and supplier network. |
| Improved strength and muscle mass | C | Grip-strength and body-composition signals exist, but they come from limited samples and selected populations. |
| Improved fatigue recovery | C | Evidence mainly consists of post-exercise biomarkers and subjective or laboratory outcomes; recovery time and injury outcomes are not established. |
Cross-check — Codex and Claude
This verdict was drafted by Codex through literature review and source-existence checks, cross-checked through blind grading and adversarial audit, and settled by reapplying the methodology boundary rules. Cases with split grades were resolved through rejudgment.
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| Study 1 | Double-blind, placebo-controlled randomized trial lasting six weeks | 16 | University investigators worked with authors affiliated with the TWK10 supplier | Time to exhaustion at fixed exercise intensity and fatigue-related measures | The TWK10 group improved time to exhaustion and selected fatigue measures, but each arm had only eight participants. | Low to moderate |
| Study 2 | Double-blind, placebo-controlled, three-arm randomized trial lasting six weeks | 54 | University-industry cooperation funding; several authors were affiliated with SYNBIO TECH | Time to exhaustion at 85% of VO2max and physiological or biochemical fatigue measures | The study reported dose-related improvement in time to exhaustion at 3×10^10 and 9×10^10 CFU per day. | Moderate |
| Study 3 | Double-blind, placebo-controlled balanced-allocation trial lasting six weeks | 30 | Multiple authors were affiliated with the ingredient supplier SYNBIO TECH | Time to exhaustion, grip strength, muscle mass, and fatigue measures | At 3×10^10 heat-killed cells per day, the study reported improvements in time to exhaustion, bilateral grip strength, and muscle mass. | Low to moderate |
| Study 4 | Double-blind, placebo-controlled, three-arm randomized trial lasting 18 weeks | 42 | Authors connected with the TWK10 developer and supplier participated | Muscle mass, grip strength, and physical function | The study reported dose-related improvements in selected muscle-mass and functional measures, but attrition and the small completer sample limit confidence. | Low to moderate |
Receipt — 5 References
All 5 cited sources were verified for existence at the original page (as of 2026-07-17).
Huang WC, et al. Effect of Lactobacillus Plantarum TWK10 on Improving Endurance Performance in Humans. Chinese Journal of Physiology. 2018;61(3):163-170. PMID: 29962176. DOI: 10.4077/CJP.2018.BAH587.
checkedHuang WC, Lee MC, Lee CC, Ng KS, Hsu YJ, Tsai TY, Young SL, Lin JS, Huang CC. Effect of Lactobacillus plantarum TWK10 on Exercise Physiological Adaptation, Performance, and Body Composition in Healthy Humans. Nutrients. 2019;11(11):2836. PMID: 31752370. PMCID: PMC6893516. DOI: 10.3390/nu11112836.
checkedCheng YC, Lee CC, Lee MC, Hsu HY, Lin JS, Huang CC, Watanabe K. Effects of heat-killed Lactiplantibacillus plantarum TWK10 on exercise performance, fatigue, and muscle growth in healthy male adults. Physiological Reports. 2023;11(19):e15835. PMID: 37816697. DOI: 10.14814/phy2.15835.
checkedLee MC, et al. Lactobacillus plantarum TWK10 Improves Muscle Mass and Functional Performance in Frail Older Adults: A Randomized, Double-Blind Clinical Trial. Microorganisms. 2021;9(7):1466. PMID: 34361902. DOI: 10.3390/microorganisms9071466.
checkedDraft and rewrite: Codex (AI) · Verification: Codex blind grading and adversarial audit · Final adjudication: Claude
Reviewed and approved: Chamgap Editorial Team · Approval date: 2026-07-17 · Corrections: none
Reviewed and approved: Chamgap Editorial Team · Approval date: 2026-07-17 · Corrections: none
Cite this verdict
[Chamgap] TWK10 and exercise performance: positive small trials, but limited independent replication — Evidence Grade C·52. 5 cited sources checked. Source: https://chamgap.com/en/verdicts/sports/lactiplantibacillus-plantarum-twk10-exercise-performance/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
What this document does and does not do
Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.