Aspect |
Family Method |
Formulation Method |
Feeding Trial Method |
Cost |
Moderate, combining analysis with feeding trial for lead product |
Low, based on nutrient analysis only |
High, requiring live animal trials |
Time |
Moderate, depends on feeding trial for lead product |
Fastest, does not require live testing |
Slow, as feeding trials take weeks to months |
Nutrient Bioavailability |
Assumed from lead product’s feeding trial |
Not tested, relies on ingredient calculations |
Directly tested through live trials |
Use of Feeding Trial |
Required only for lead product, not each family member |
Not required |
Required for each tested product |