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Supplements for Low Mood: What Reddit Users Report

This ranking reflects what people who describe low mood or depression report in Reddit comments: 400 owner comments, ranked by a context rating that shrinks small samples toward the average. It is not a recommendation to try any of them. Persistent or severe symptoms need a doctor's assessment. Vitamin D and B vitamins are left out as background pages.

Many people in these threads also take prescription medicine. We do not score or rank prescription drugs, and supplements are not a substitute for care from a doctor or therapist. If you take an antidepressant, read serotonin supplements and antidepressants.

#SupplementContext ratingRated comments herePositiveNegativeOverall score
1Saffron extract (incl. Affron)3.9383134.0
2Taurine3.83303.7
35-HTP3.75403.5
4L-tryptophan3.74403.5
5L-theanine3.6161324.0
6Methylfolate (L-methylfolate)3.43213.2
7Magnesium (form not stated)3.33221104.1
8Glycine3.38323.0
9Magnesium glycinate3.12413104.0
10St John's wort2.96032.8
11GABA2.94133.1
12Omega-3 / fish oil (EPA/DHA)2.911363.2
13NAC (N-acetylcysteine)2.6408253.2

In their words

4/5 Mood

“Can't speak for depression for i have used sam-e for anxiety, paired with saffron and nac, felt better and greatly helped boost mood levels.”

owner comment via r/Supplements · 2026-09-01 · 10 upvotes
4/5 MoodTaste & form

“Taurine combined with caffeine and vitamin B (basically, certain energy drinks) I wouldn't believe it at first, but I tested each component on its own and I found that for me taurine really helps, it evens out my mood.”

owner comment via r/Supplements · 2026-08-06 · 3 upvotes
4/5

“I took about that, 900 mg 5-HTP per day, for a while.”

owner comment via r/Supplements · 2026-08-07 · 2 upvotes
4/5 MoodTakes time

“Ive been taking l-theanine and l-tryptophan and its made a huge impact on my mental health.”

owner comment via r/Supplements · 2026-10-03 · 2 upvotes

Mixed and negative reports

1/5 Side effects

“Saffron made my depression worse.”

owner comment via r/Supplements · 2026-09-08 · 3 upvotes
1/5 MoodSide effects

“Old thread, but recently also realized that L-Theanine was significantly lowering my mood.”

owner comment via r/Supplements · 2026-08-05 · 1 upvotes

Rankings by type and common questions

Before you try anything