Does consuming for a cause really help that much?

Absolutely, here is an example of how much support you could give in a year when buying for a cause.

Product Cause Amount
Eggs McGrath Foundation (1 doz/2weeks) $5.20
NSW Greenslip Cause of your choice $5.00
Soft Toy UNICEF $2.00
2010 Calendar Prostate Cancer Foundation $19.95
Sunscreen National Breast Cancer Foundation $0.10
Christmas CD The Salvation Army $19.95
White Dress Ovarian Cancer Research Foundation $159.95
Jelly Beans RSPCA $2.00
You have contributed to 7 causes totalling $214.15