Cold Showers vs Zinc for immunity
Short answer: For immunity, more users report improvement with Cold Showers — 100% of 7 reports, versus 86% of 28 for Zinc.
Zinc has 220 meta-analyses and 555 randomized trials on PubMed; the other has not been graded.
Based on 103 reports about Cold Showers and 1,264 about Zinc. Not medical advice.
| Cold Showers Lifestyle | Zinc Supplement | |
|---|---|---|
| User score | 40 | 42 |
| Verdict | Mostly positive | Mostly positive |
| Positive of reports that state an outcome | 83% | 61% |
| Reports | 103 | 1,264 |
| Research | Research pending | AResearch: Strong |
| Meta-analyses / RCTs | — | 220 / 555 |
| Mainly used for | ||
| Weight loss % reporting improvement | 100% (2) | 100% (3) |
| Appetite % reporting improvement | — | 33% (3) |
| Focus % reporting improvement | 100% (6) | 62% (26) |
| Energy % reporting improvement | 100% (10) | 71% (51) |
| Sleep % reporting improvement | 100% (4) | 82% (68) |
| Anxiety % reporting improvement | 100% (6) | 73% (30) |
| Mood % reporting improvement | 100% (13) | 80% (61) |
| Memory % reporting improvement | — | 20% (5) |
| Performance % reporting improvement | — | 90% (20) |
| Recovery % reporting improvement | — | 86% (7) |
| Pain & inflammation % reporting improvement | — | 56% (9) |
| Digestion % reporting improvement | — | 0% (2) |
| Libido % reporting improvement | — | 88% (95) |
| Hormones % reporting improvement | — | 89% (63) |
| Heart & lipids % reporting improvement | 100% (2) | 50% (2) |
| Skin & hair % reporting improvement | 100% (4) | 81% (32) |
| Immunity % reporting improvement | 100% (7) | 86% (28) |
| Common side effects | depression, discomfort | nausea, fatigue, stomach issues, copper depletion |
| Typical dose reported | nightly and morning | daily |
Cold ShowersFull Cold Showers profile →
What a user said
“I take a cold shower for as cold as I can get it every night before bed. I sleep like a baby.”
ZincFull Zinc profile →
Latest review conclusion
Acne patients have decreased serum zinc levels. Zinc is effective for the treatment of acne, particularly at decreasing the number of inflammatory papules, when used as monotherapy or as an adjunctive treatment.
Dermatol Ther, 2020 ↗What a user said
“I had actual energy in the mornings for the first time I could remember.”
Related comparisons
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