PlainPill

Ornithine

People mainly take Ornithine for mood, energy. Based on 6 first-hand reports. Ranked #1844 of 2,750 overall.

14
User score
Mostly positive
17% positive0% mixed0% negative83% unclear

Of reports that state an outcome, 100% are positive.

Clinical research
Research pending

What Ornithine does, according to users

Of the people who reported each effect, the share who said it got better.

betterno changeworse

What the research says

Systematic reviews and meta-analyses from PubMed, with their published conclusions.

Research data for Ornithine is being compiled.

Dosage people report

As stated by users — not a recommendation. Follow the label or your doctor.

2000 mgas reported
400 mg2x daily

Reported side effects

How often each side effect came up across all reports.

No side effects reported so far.

What users say

Verbatim quotes, shortened only — each links to the original discussion.

“I would add lemon balm and ornithine to this stack.”
Source discussion ↗
“Ornithine”
Source discussion ↗
“Why did you choose to include AAKG and ornithine as opposed to agmatine sulfate or other 'pump' ingredients?”
Source discussion ↗
“Ornithine – 2000mg for reducing perception of fatigue”
Source discussion ↗
“ornithine 400mg paired with coffee in the morning, 400mg ornithine before bed”
Source discussion ↗
Top discussions (5)

Other options for mood

User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 3, 2026. How we rate