Vitamins & other nutrients
Inositol
3.5 (19 owner comments)
Taste & formMood
“If you have OCD, myo-inositol might help a lot too.”
What owners report →Medical disclaimer: CalmVerdict summarizes what people say about supplements on Reddit. It is not medical advice, and nothing here is meant to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration. Talk to your doctor or pharmacist before starting a supplement, especially if you take an antidepressant or other medicine, are pregnant, or have a medical condition. Do not stop or change prescribed medicine on your own. If you are in crisis or thinking about suicide, call or text 988 (US) or your local emergency number. Full disclaimer.
Vitamins & other nutrients · softgels
Omega-3 / fish oil (EPA/DHA): What People With Stress, Anxiety or Low Mood Report on Reddit
Illustration, not a product photo.
EPA and DHA from fish, krill or algae oil; EPA-heavy formulas are most discussed for mood.
3.2 CalmVerdict score
66 owner comments (27 with a clear rating) from r/Supplements, r/Anxiety, r/Nootropics, r/sleep, r/insomnia, May 2026 to October 2026. Top 71% of the 24 ranked supplements.
Owner sentiment3.0
Recommendations2.3
Tolerability4.3
ValueNot rated
Value: Not rated. The example products differ too much in dose to compare cost fairly. How we score.
The short version
Omega-3 / fish oil (EPA/DHA) is rated below most supplements we track: 3.2/5. Of 27 rated owner comments, 12 were positive, 5 mixed and 10 negative; 5 mention an unwanted effect. People talk most about calming effect and mood.
Reddit comments are self-reported and unverified. They tell you what people noticed, not whether a supplement works or is safe for you.
See what owners report about calm supplements for mood. Compare the top-rated options for panic by concern. There is a separate ranking of what people with everyday stress rate highest.
What it is
- EPA and DHA are long-chain omega-3 fatty acids found in fish and fish oil.[NIH Office of Dietary Supplements]
- Meta-analyses of randomized trials have looked at omega-3 supplements for anxiety and depressive symptoms in adults.[PubMed][PubMed]
Safety and interactions
- Side effects are usually mild (fishy aftertaste, heartburn, nausea), but fish oil can interact with blood thinners such as warfarin.[NIH Office of Dietary Supplements][NCCIH]
Supplements can interact with medicines. Talk to a doctor or pharmacist first, especially if you are pregnant, take prescription medicine, or have red-flag symptoms. See supplement safety and interactions.
Reports by concern
| Context | Rated owner comments | Positive | Negative | Unwanted effects |
|---|---|---|---|---|
| Low mood | 21 | 3 | 6 | 3 |
| Anxiety & worry | 12 | 2 | 2 | 2 |
| Everyday stress | 11 | 2 | 1 | 1 |
| Panic attacks | 3 | 1 | 2 | 1 |
What Reddit owners say
Commonly praised
- Calming effect: 6 owner comments
- Mood: 3 owner comments
- Taste & form: 2 owner comments
Common complaints
- Side effects: 5 owner comments
- Mood: 3 owner comments
- Grogginess: 1 owner comment
4/5 Calming effect“My job can be very high stress and I notice that since I have started taking omega 3 at night, I am more relaxed.”
4/5 Calming effectMood“I'll chime in to add that omega-3s definitely have a dopamine-blunting effect for me.”
4/5“i started the new fish oil 2 days before my ovulation but i still had ovulation symptoms (high libido) so i thought it caused delayed ovulation too but i still had ovulation symptoms so i found that weird too.”
2/5“I have a theory that high omega 3 fish oil gives me depression symptoms.”
1/5“Fish oil gives me major depression. It's horrible, I get mental problems from a lot of supplements and I hate it.”
+16 more owner comments
3/5 Stomach upsetTaste & form“I have a complex neurological autoimmune issue caused by early EBV proteins and to a lesser extent HSV, and it causes me to have tons of inflammation, so if I took these studies seriously on a practical level you'd think that fish oil would make me feel worse.”
2/5 Feeling flat or numbMood“I take 2400 mg fish oil for depression and panic attacks (been taking for 15 years), magtein before bed for anhedonia and sleep (been taking for 6 years), koji fermented iron (magceutics brand, been taking for 6 months) in the morning for…”
4/5“I take omega 3 vitamins specifically for my anxiety I do think it helps highly recommend”
4/5 Mood“Same for me, use of probiotics and fish oil need help in better absorption.”
4/5 Mood“definitely recommend checking out omega-3s for overall heart and brain health, they've done wonders for my mood too.”
2/5“i stopped taking omega 3 for a bit before and felt way more on edge than usual.”
2/5“withdrawal from omega 3 is definitely real thing, i had similar experience when i stopped taking them for few weeks and felt super anxious until i started again”
3/5 Calming effect“I take fish oil and pretty soon I feel "depressed".”
3/5 Side effects“The fish oil is MUCH better bang for your buck.”
2/5“I stopped taking omega 3 completely on day 32 around coz I was kinda scared of any reaction n panicking lol coz I haven't missed period since teenage.”
2/5“Omega 3, gives me crazy anxiety”
2/5 Side effects“I had side effects recently with fish oil...”
2/5 Mood“I have been taking pretty high DHA and EPA formulations for over a year with no improvement in eye dryness, mood, or anything else”
4/5 Calming effectTaste & form“I also tried fish oil capsules, and they helped at first, but the effect faded pretty quickly.”
5/5 Calming effect“I didn't know I was supposed to feel anything from omega 3 until last week when I switched to krill oil.”
4/5 Calming effect“I was also taking GlyNac and Omega-3 but I've stopped all supplements until I recover.”
Brands with their own owner reviews
- Life Extension: 4.0 from 34 owner comments
Example products
These are examples of Omega-3 / fish oil (EPA/DHA) products sold on Amazon. They are not ranked by Reddit and the score above is for the ingredient, not a specific product. Check the label for dose and other ingredients.
Example product · not Reddit-scored
THORNE Super EPA, Omega-3 Fish Oil Supplement with EPA & DHA, 90 Softgels
$41.00 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.
Example product · not Reddit-scored
Nordic Naturals Ultimate Omega, 1280mg Omega-3 Fish Oil, Lemon
Price varies; check Amazon for the current price.
Example product · not Reddit-scored
Sports Research® Omega-3 Fish Oil 1250mg from Wild Alaska Pollock, 180 Count
$56.10 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.
Research to read
Published studies (we list them so you can read the evidence yourself; inclusion is not an endorsement):
- Prostaglandins Leukot Essent Fatty Acids 2023: Effects of long-chain omega-3 polyunsaturated fatty acids on reducing anxiety and/or depression in adults; A systematic review and meta-analysis of randomised controlled trials.
- Transl Psychiatry 2019: Efficacy of omega-3 PUFAs in depression: A meta-analysis.
FAQ
What do people say about Omega-3 / fish oil (EPA/DHA) for stress, anxiety or mood on Reddit?
Across 66 Reddit comments from people who say they have used it, 12 of 27 rated comments were positive and 10 negative, for a CalmVerdict score of 3.2/5. These are self-reported experiences, not clinical evidence.
Do people report side effects with Omega-3 / fish oil (EPA/DHA)?
5 of 27 rated owner comments (19%) describe an unwanted effect such as drowsiness, headache, stomach upset or feeling flat. Check the safety notes on this page and ask a doctor or pharmacist before starting.
Who talks about Omega-3 / fish oil (EPA/DHA) most?
Most rated owner comments come from people who describe low mood or depression (21 comments, 3 positive).
Is Omega-3 / fish oil (EPA/DHA) scored on clinical evidence?
No. The score summarizes Reddit owner comments only. Factual statements on this page link to NIH or PubMed sources, and nothing here is medical advice.
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What owners report →Comparisons: Saffron extract (incl. Affron) vs Omega-3 / fish oil (EPA/DHA)
Last updated 2026-11-04. Mentions scanned: 259 in 177 threads.