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Selenium reviews: what real users say

We read 205 first-hand mentions of Selenium from health and supplement communities. 41 of them say clearly how it went — and 60% of those say it helped.

Where people say it works: energy (92% of 12), hormones (88% of 8).

Most common complaints: potential toxicity, brain fog, fatigue, nausea, selenium toxicity. All side effects →

All Selenium reports
60%helped41 reports · medium confidence
Research, dosage & full profile

Positive experiences

“I take 200mcg eveyday, but for the first week I took 400mcg. It has exponentially helped my energy levels.”
HelpedRead the discussion ↗
“I have seen unbelievable results stacking Lithium Orotate with the following: Methylated B-Vitamins, High dose Omega-3 (from algae), Sodium Butyrate, Tocotrienols, Vit D3K2, Mag Glycinate, Iodine&Selenium, Boron.”
HelpedRead the discussion ↗
“200mcg of selenium everyday. Difference when I’m taking it and not taking it is absolutely astounding. Really improved thyroid numbers too.”
HelpedRead the discussion ↗
“I tried selenium for thyroid support but weirdly it ended up helping way more with energy and overall tiredness.”
HelpedRead the discussion ↗
“I have a shitty demyelinating autoimmune bs going on and i feel so shit i feel all of them. Nicotinamide, nac. Selenium. B1!!! Everything.”
HelpedRead the discussion ↗
“Selenium (1 brazil nut a day)...have made an incredible difference for me, have increased my energy substantially, cleared brain fog, and raised libido”
HelpedRead the discussion ↗

Negative and mixed experiences

“even the nootropics that some communities swear by did nothing for me (some that come to mind - racetams, tyrosine/NALT, NAC, methylated B vitamins...”
Didn't helpRead the discussion ↗
“I took 200 ug per day for two months and noticed a difference in energy. Now I take 100ug per day and occasionally an extra 200ug.”
MixedRead the discussion ↗
“I tried Iodine,SSRI,Selenium,Rhodiola Rosea,Tongkat Ali,Citrulline,Carnivore Diet,Maca but nothing worked”
Didn't helpRead the discussion ↗
“I decided to take a supplement with iodine and selenium, my long-term depression immediately disappeared.”
MixedRead the discussion ↗

Quotes are verbatim and link to the original public discussion. Information only — not medical advice. How we collect reports

Selenium reviews: what 205 real users say (60% positive) — PlainPill