Omega-3 vs Vitamin D for mood
Short answer: For mood, users rate them about the same: 86% report improvement with Omega-3 (283 reports) and 88% with Vitamin D (390 reports).
Omega-3 has 1,341 meta-analyses and 3,093 randomized trials on PubMed; Vitamin D has 3,251 and 4,560.
Based on 2,994 reports about Omega-3 and 3,040 about Vitamin D. Not medical advice.
| Omega-3 Supplement | Vitamin D Supplement | |
|---|---|---|
| User score | 46 | 46 |
| Verdict | Mostly positive | Mostly positive |
| Positive of reports that state an outcome | 69% | 67% |
| Reports | 2,994 | 3,040 |
| Research | AResearch: Strong | AResearch: Strong |
| Meta-analyses / RCTs | 1,341 / 3,093 | 3,251 / 4,560 |
| Mainly used for | ||
| Weight loss % reporting improvement | 100% (3) | 70% (10) |
| Appetite % reporting improvement | — | 67% (3) |
| Focus % reporting improvement | 85% (170) | 83% (59) |
| Energy % reporting improvement | 77% (57) | 87% (252) |
| Sleep % reporting improvement | 72% (32) | 52% (119) |
| Anxiety % reporting improvement | 74% (84) | 64% (90) |
| Mood % reporting improvement | 86% (283) | 88% (390) |
| Memory % reporting improvement | 85% (80) | 87% (15) |
| Performance % reporting improvement | 76% (21) | 100% (27) |
| Recovery % reporting improvement | 90% (30) | 92% (13) |
| Pain & inflammation % reporting improvement | 93% (110) | 74% (31) |
| Digestion % reporting improvement | 22% (9) | 50% (14) |
| Libido % reporting improvement | 71% (14) | 82% (51) |
| Hormones % reporting improvement | 100% (5) | 91% (75) |
| Blood sugar % reporting improvement | 67% (3) | 100% (3) |
| Heart & lipids % reporting improvement | 83% (106) | 65% (17) |
| Skin & hair % reporting improvement | 89% (47) | 87% (31) |
| Immunity % reporting improvement | 55% (11) | 98% (93) |
| Longevity % reporting improvement | 89% (9) | 86% (14) |
| Common side effects | brain fog, anxiety, depression, fish burps | insomnia, anxiety, fatigue, hypercalcemia |
| Typical dose reported | sparingly | daily |
For glycated hemoglobin, there was no significant effect in the meta-analysis. This systematic review with meta-analysis demonstrated that supplementation with omega-3 has protective effects on diabetes parameters.
Crit Rev Food Sci Nutr, 2022 ↗“I do supplement a lot of fish oil and vitamin A as retinyl palmitate though. It has really helped my depression, anxiety and ADHD and has enabled me to stop using more serious psychiatric drugs for those things.”
These results indicate that the prevalence of vitamin D deficiency was more elevated in obese subjects. The vitamin D deficiency was associated with obesity irrespective of age, latitude, cut-offs to define vitamin D deficiency and the Human Development Index of the study location.
Obes Rev, 2015 ↗“First thing I noticed was my mood & libido, I have more 'feeling/sensitivity' down there.”
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Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate