Cold-Prevention.com - Ingredients Compared

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Cold-Prevention.com

Compare the Ingredients

Rating Guide

Worst

...

Best

Antihistamines

Effectiveness unclear, may help. (WMD)
Little or no benefit for colds. Helpful for allergies. (USP)
Antihistamines should be ineffective in treating colds. (NCB)

Andrographis Paniculata

(Not covered in the sources.)

Decongestants

Reduce swelling, improve airflow short term. (WMD)
Some short term relief. (USP)
Won't prevent or shorten duration. Some symptom relief. (May)

Echinacea

No effect. (AIM)
Mixed results, experts say no effect on colds. (WMD)
No evidence to support. (USP)
Does not prevent or help treat colds, but helps with respiratory infections. (NCC)

Nasal Decongestants

Short term relief. Should not use longer than 3 days. (WMD)
Helpful to some, many side effects. (USP)
If used more than a few days, may worsen symptoms. (May)

Saline Nasal Spray / Irrigation

Short term relief. Can use as often as needed. (WMD)
Often brings immediate, short term relief, no serious side effects. (USP)
Combat stuffiness and congestion. Safe and nonirritating. (May)

Vitamin C

No evidence for prevention, slightly helpful in treatment. (WMD)
No evidence to support. Too much C is harmful. (USP)
No evidence in normal conditions. (May)
Helpful in extreme conditions and for elite athletes. (May)

Zinc Acetate Lozenges

Possibly reduced duration in 1 study (AIM)
No effect on prevention or duration. (ODS)

Zinc Citrate

1 article claims this worsens colds. (AIM)

Zinc Gluconate Lozenges

Reduced duration in 1 study (AIM)
No effect. (WMD)
For any good effect, must be taken at first signs of cold. (USP)
Two studies showed they significantly reduced duration in both school aged individuals and in adults over 60. (NCB)
Reduces duration (ODS)

Sources

AIM	-	Annals of Internal Medicine
May	-	Mayo Clinic
NCB	-	NCBI PubMed
NCC	-	NCCAM / NIH
ODS	-	ODS / NIH
USP	-	USPharmacist
WMD	-	WebMD

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