Dietary Nitrate Enhances the Contractile Properties of Human Skeletal Muscle
Open accessAbstract
Dietary nitrate, a source of nitric oxide (NO), improves the contractile properties of human muscle. We present the hypothesis that this is due to nitrosylation of the ryanodine receptor and increased NO signaling via the soluble guanyl cyclase-cyclic guanosine monophosphate-protein kinase G pathway, which together increase the free intracellular Ca 2+ concentration along with the Ca 2+ sensitivity of the myofilaments themselves.
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Because muscle is unable to synthesize carnosine precursors, β-alanine supplementation induces an increase in intramuscular carnosine content, increasing buffering capacity.
“As the muscle is unable to synthesize carnosine precursors, β-alanine supplementation induces an increase in intramuscular carnosine content increasing the buffering capacity [32].”
From Dietary and Ergogenic Supplementation to Improve Elite Soccer Players’ Performance (2021) · cites this paper as [32]
The Introduction and Mechanisms sections discuss dietary nitrate and nitric-oxide-related effects on muscle contraction, not β-alanine supplementation. Searches for β-alanine, carnosine precursors, intramuscular carnosine, and buffering capacity found no passage addressing the attributed claim. (LLM, conf=0.78)
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Retracted
- Authors
- Coggan, A. R., & Peterson, L. R.
- Affiliations
- Indiana University – Purdue University Indianapolis (US)
- Washington University in St. Louis (US)
- Corresponding author
- Coggan, Andrew R.
- Venue
- Exercise and Sport Sciences Reviews
- Published
- 2018-10
- Volume
- 46
- Issue
- 4
- Pages
- 254-261
- ISSN
- 0091-6331 (ISSN-L)
- 1538-3008
- PMC
- PMC6138552
- OpenAlex
- W2883886248
- Cited by
- 86
- References
- 17
- Citations by year
- 2026: 6 · 2025: 13 · 2024: 13 · 2023: 7 · 2022: 10 · 2021: 13 · 2020: 14 · 2019: 10
- FWCI
- 1.04
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Exercise and Sport Sciences Reviews (publishedVersion, cc-by-nc-nd)
- Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- Digital Commons@Becker (Washington University School of Medicine) (submittedVersion, cc-by-nc-nd)
- Purdue University Indianapolis (Indiana University) (submittedVersion, cc-by-nc-nd)
- PMC
- Funders
- National Institutes of Health (UL1TR002345)
- National Heart, Lung, and Blood Institute (R34HL138253)
- National Institute of Diabetes and Digestive and Kidney Diseases (P30DK056341)
- National Center for Advancing Translational Sciences
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
- Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
- Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
- Keywords
- dietary nitrate, nitric oxide, skeletal muscle contractility, soluble guanylate cyclase, cyclic GMP, protein kinase G, intracellular calcium, myofilament calcium sensitivity, exercise performance
- MeSH terms
- Animals, Calcium, Diet, Cyclic GMP, Humans, Muscle Contraction, Nitrates, Nitric Oxide, Signal Transduction, Cyclic GMP-Dependent Protein Kinases, Muscle, Skeletal, Ryanodine Receptor Calcium Release Channel
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