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All Selenium study protocols

Selenium and Coenzyme Q10: study protocols

11 study groups took Selenium together with Coenzyme Q10. These are the doses the studies gave. They are not a recommendation.

Selenium: what the research found →

Dose per serving from research: Selenium

11 study groups in 11 studies say how much Selenium participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 100 mcg to 250 mcg, 91% of 11 study groups.

Daily doseStudy groups
100 mcg to 250 mcg
10
250 mcg to 500 mcg
1

Dose per serving from research: Coenzyme Q10

11 study groups in 11 studies say how much Coenzyme Q10 participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 100 mg to 250 mg, 100% of 11 study groups.

Daily doseStudy groups
100 mg to 250 mg
11

Commonly used together

None of these 11 study groups took Selenium and Coenzyme Q10 with anything else.

11 study groups

Study
Reduced Cardiovascular Mortality 10 Years after Supplementation with Selenium and Coenzyme Q10 for Four Years: Follow-Up Results of a Prospective Randomized Double-Blind Placebo-Controlled Trial in Elderly Citizens
2015 · Active treatment · Elderly Swedish community-dwelling adults; mean age 78 years; men and women; described as healthy, with low baseline selenium status
200 mcg200 mg4 years221
Still reduced cardiovascular mortality 12 years after supplementation with selenium and coenzyme Q10 for four years: A validation of previous 10-year follow-up results of a prospective randomized double-blind placebo-controlled trial in elderly
2018 · Active treatment group · Elderly healthy Swedish community-dwelling adults; mean age 78 years, men and women
200 mcg200 mg1461 days221
Supplementation with Selenium and Coenzyme Q10 Reduces Cardiovascular Mortality in Elderly with Low Selenium Status. A Secondary Analysis of a Randomised Clinical Trial
2016 · active treatment group · Adults aged 70–80 years in Sweden, without a stated requirement for a diagnosed condition; participants were analysed in strata by baseline serum selenium concentration.
200 mcg200 mg4 years219
Improved cardiovascular health by supplementation with selenium and coenzyme Q10: applying structural equation modelling (SEM) to clinical outcomes and biomarkers to explore underlying mechanisms in a prospective randomized double-blind placebo-controlled intervention project in Sweden
2022 · Active treatment group · Adults aged 70–88 years with low selenium status and age-related low coenzyme Q10 levels
400 mcg200 mg4 years221
Selenoprotein P increases upon selenium and coenzyme Q(10) supplementation and is associated with telomere length, quality of life and reduced inflammation and mortality
2024 · selenium yeast and coenzyme Q 10 supplementation · elderly community-living participants with low selenium status
200 mcg200 mg4 years—
Levels of sP-selectin and hs-CRP Decrease with Dietary Intervention with Selenium and Coenzyme Q10 Combined: A Secondary Analysis of a Randomized Clinical Trial
2015 · Active treatment · Adults aged 70–88 years from an elderly Swedish community population; no condition required for inclusion
200 mcg200 mg1461 days221
Effects of an Intervention with Selenium and Coenzyme Q(10) on Five Selected Age-Related Biomarkers in Elderly Swedes Low in Selenium: Results That Point to an Anti-Ageing Effect-A Sub-Analysis of a Previous Prospective Double-Blind Placebo-Controlled Randomised Clinical Trial
2023 · Active treatment · Elderly community-dwelling Swedes with low selenium status; age range not stated at intervention
200 mcg200 mg1461 days220
Decreased Concentration of Fibroblast Growth Factor 23 (FGF-23) as a Result of Supplementation with Selenium and Coenzyme Q(10) in an Elderly Swedish Population: A Sub-Analysis
2022 · active treatment group · Swedish adults aged 70–88 with low selenium status
200 mcg200 mg1461 days118
Selenium and Coenzyme Q10 Supplementation Improves Renal Function in Elderly Deficient in Selenium: Observational Results and Results from a Subgroup Analysis of a Prospective Randomised Double-Blind Placebo-Controlled Trial
2020 · Active supplementation with selenium and coenzyme Q10 · Adults aged 70–88 years with low pre-intervention selenium status, living in the community
200 mcg200 mg1461 days117
Dietary Supplementation with Selenium and Coenzyme Q(10) Prevents Increase in Plasma D-Dimer While Lowering Cardiovascular Mortality in an Elderly Swedish Population
2021 · Active treatment · Adults aged 70–88 years living in a Swedish rural community, with suboptimal serum selenium status; the analysed group excluded people with atrial fibrillation or anticoagulant treatment, malignancy, or left atrium dimension over 40 mm.
200 mcg200 mg4 years106