Skip to main content
. 2021 Dec 13;19(12):2276–2295. doi: 10.2174/1570159X19666210726151924

Table 3.

Clinical studies with dietary supplements and summary of their results.

Pharmacological Treatment ClinicalTrials.gov
Identifier Number
Phase Result
Flavonoids** NCT01596803 NA* Safe and tolerable
Limited effects
Flavonoids**+ Omega 3 NCT03317171 NA* Safe and tolerable
Significant effect on walking and knee extension
Post-exercise Protein-Carbohydrate supplementation NCT01618331 NA* Reduced muscle protein breakdown, abolished net muscle catabolism
Long term effects unknown
Creatine monohydrate NCT02948244 II Not effective

*NA: Not applicable; means trials without FDA-defined phases.

** Flavonoids refer to a variable combination of molecules like Vit C, Vit E, zinc, selenomethionine, coenzyme-Q10, amino acids, curcumin, acetyl-carnitin, etc. with various positive effects on free radicals, antioxidation, immune system, etc.