Analysis Version
v1
History
Back to Study: Effect of treatment with zinc gluconate or zinc ac...
causal
Analysis v1
Strong Opposition

Taking zinc lozenges doesn't make cold symptoms less severe, according to a study with 273 people who were given cold viruses.

0
Pro
49
Against

Evidence from Studies

Supporting (0)

0

Community contributions welcome

No supporting evidence found

Contradicting (1)

49

Community contributions welcome

49

Effect of treatment with zinc gluconate or zinc acetate on experimental and natural colds.

Randomized Controlled Trial
Human
2000 Nov

The study looked at the same zinc lozenges and found they didn't help reduce how bad cold symptoms feel, which matches what the claim says.

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Effect of treatment with zinc gluconate or zinc acetate on experimental and natural colds.

Score: 49
DOI: 10.1086/317437

Similar Assertions

When adults with cold symptoms take zinc gluconate lozenges, their colds might get better faster, but this only worked in a special test setting and not with real-world colds or different zinc types.

49
0
92%

Zinc lozenges don't help reduce how long colds last or how bad they feel, whether you catch a cold naturally or in a study where they give you a cold virus.

49
0
90%

Taking zinc lozenges for 5 days raises zinc levels in your blood, showing your body absorbs it, but it doesn't help with cold symptoms.

35
0
88%

Taking zinc lozenges many times a day for about a week doesn't help adults feel better faster or less sick when they have a cold caused by a specific virus.

35
0
87%

Zinc lozenges might help with cold symptoms, but lab tests show zinc doesn't really fight cold viruses directly, so there's probably another reason they work.

0
0
85%