NAC vs Vitamin D for immunity
Short answer: For immunity, users rate them about the same: 100% report improvement with NAC (33 reports) and 99% with Vitamin D (73 reports).
NAC has 387 meta-analyses and 767 randomized trials on PubMed; Vitamin D has 3,251 and 4,560.
Based on 1,575 reports about NAC and 2,294 about Vitamin D. Not medical advice.
| NAC Supplement | Vitamin D Supplement | |
|---|---|---|
| User score | 49 | 48 |
| Verdict | Mixed | Mostly positive |
| Positive of reports that state an outcome | 55% | 65% |
| Reports | 1,575 | 2,294 |
| Research | AResearch: Strong | AResearch: Strong |
| Meta-analyses / RCTs | 387 / 767 | 3,251 / 4,560 |
| Mainly used for | ||
| Weight loss % reporting improvement | 67% (3) | 62% (8) |
| Appetite % reporting improvement | 90% (29) | 67% (3) |
| Focus % reporting improvement | 81% (151) | 82% (55) |
| Energy % reporting improvement | 74% (69) | 87% (212) |
| Sleep % reporting improvement | 71% (41) | 50% (105) |
| Anxiety % reporting improvement | 90% (246) | 65% (82) |
| Mood % reporting improvement | 65% (257) | 88% (307) |
| Memory % reporting improvement | 77% (13) | 83% (12) |
| Performance % reporting improvement | 75% (8) | 100% (23) |
| Recovery % reporting improvement | 86% (14) | 100% (10) |
| Pain & inflammation % reporting improvement | 86% (28) | 73% (30) |
| Digestion % reporting improvement | 72% (18) | 50% (14) |
| Libido % reporting improvement | 29% (7) | 80% (45) |
| Hormones % reporting improvement | 88% (8) | 87% (55) |
| Blood sugar % reporting improvement | 100% (3) | 100% (2) |
| Heart & lipids % reporting improvement | 67% (12) | 60% (15) |
| Skin & hair % reporting improvement | 89% (18) | 89% (28) |
| Immunity % reporting improvement | 100% (33) | 99% (73) |
| Longevity % reporting improvement | 100% (7) | 78% (9) |
| Common side effects | anhedonia, fatigue, stomach issues, depression | insomnia, anxiety, fatigue, hypercalcemia |
| Typical dose reported | as needed | daily |
Taken together, these preliminary findings suggest that dietetic approaches might be included as part of BD treatment. Also considering the high risk of metabolic disorders in individuals with BD, they should be encouraged to choose healthy dietary lifestyles, including daily intake of fruits, vegetables, seafood and whole grains.
Nutr Neurosci, 2023 ↗“When I get wired up with mania, anxiety, insomnia. I usually take methylfolate and NAC.”
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 ↗“I micro-dose coffee, vitamin d, and lemon juice every morning”
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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