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Head-to-head evidence comparison — which supplement is right for you?
Added clinical benefit has not been established in the evidence reviewed. This does not establish that the combination is safe or free of interactions.
Selenium vs Vitamin E: Selenium has the stronger overall evidence (6.5 vs 5/10); they're alternatives for inflammation-related symptoms — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Selenium wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
9 of 13 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
10 of 10 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Selenium and Vitamin E have evidence — compare verdict strength side-by-side.
100-200mcg
With food
Selenomethionine (best absorbed)
No routine vitamin E supplement dose is recommended here for longevity. Use a product-specific dose only for a defined indication under an agreed clinical plan, taking account of the exact form and all sources.
With fat-containing meal, Any time of day
No form is preferred here for routine longevity use. For a defined clinical indication, select the exact product and alpha-tocopherol form specified in the agreed plan.
The supplied evidence does not support the stated general combination benefit.
Follow each product’s instructions and your prescribed plan; ask a pharmacist to check the combination for your situation.
4-8 weeks
4-8 weeks
4-8 weeks
4-8 weeks
8-12 weeks
With high doses
Selenium, antioxidants, cardiovascular disease, and all-cause mortality: a systematic review and meta-analysis of randomized controlled trials
The American journal of clinical nutrition (2020) · Meta analysis · n=9423
However, a decreased risk with antioxidant mixtures was seen for CVD mortality when selenium was part of the mix (RR: 0.77; 95% CI: 0.62, 0.97; P = 0.02), with no association when selenium was absent.
Selenium for preventing cancer
The Cochrane database of systematic reviews (2018) · Meta analysis · n=27232
For analyses of RCTs with low risk of bias, the summary risk ratio (RR) for any cancer incidence was 1.01 (95% confidence interval (CI) 0.93 to 1.10; 3 studies, 19,475 participants; high-certainty evidence).
Selenium and prostate cancer: systematic review and meta-analysis
The American journal of clinical nutrition (2012) · Meta analysis · n=13254
Systematic review and dose-response meta-analysis of 12 trials, case-control and cohort studies with 13,254 participants and 5,007 prostate cancer cases, on selenium intake or status.
Effect of vitamin B(2), vitamin C, vitamin D, vitamin E and folic acid in adults with essential hypertension: a systematic review and network meta-analysis
BMJ open (2024) · Meta analysis · n=2218
Among the five vitamins, only vitamin E was significantly more effective at reducing SBP (mean difference: -14.14 mm Hg, 95% credible intervals: -27.62 to -0.88) than placebo.
The Effect of Vitamin E Supplementation on Serum Aminotransferases in Non-Alcoholic Fatty Liver Disease (NAFLD): A Systematic Review and Meta-Analysis
Nutrients (2023) · Meta analysis · n=794
A total of 794 patients from 12 randomized trials were included in this meta-analysis.
Vitamin E supplementation in pregnancy
The Cochrane database of systematic reviews (2015) · Meta analysis · n=22129
Twenty-one trials, involving 22,129 women were eligible for this review. All of the 17 trials contributing data assessed vitamin E in combination with vitamin C and/or other agents.
Selenium has a higher evidence score (6.5/10 vs 5/10) and wins in 2 of 3 categories.
For inflammation-related symptoms, Vitamin E has a higher relevance score (60 vs 35).
Always consult a healthcare provider before combining Selenium and Vitamin E.
Selenium helps; iodine can WORSEN Hashimoto’s. The honest take on "thyroid support".
CoQ10, zinc, selenium, carnitine modestly help sperm parameters — but live-birth evidence is weak.
AREDS2 works for diagnosed AMD; lutein/screen-strain claims are weaker. Who actually benefits.
Weight loss is the real treatment; vitamin E/omega-3 have some evidence, milk thistle modest, TUDCA thin.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.