Baby formula has always been a top priority when it comes to the health of our little ones. The variety of formulas on supermarket shelves can be overwhelming for newbie dads and moms. Surprisingly, even within the same brand, there's a distinction between canned and bagged formulas. So, what exactly sets these two types of formulas apart?
Generally, infant formula, packed mainly in metal cans, is the norm. However, there's also a fair share of boxed (bagged) formulas. So, what's the scoop on the differences between canned and bagged versions of the same formula?
Different Packaging Materials
This one's obvious from a glance. Canned formula typically uses metal and eco-friendly paper. Metal cans take the crown for moisture resistance and compression strength, while eco-friendly paper, though not as robust as a metal can in sealing, is user-friendly and tougher than regular paper-box packaging. Boxed formulas usually have a thin paper shell on the outside and plastic pouches (bags) on the inside. The sealing and moisture resistance of plastic are not on par with metal cans.
Differing Capacities
Canned formulas commonly come in around 900g containers, while boxed formulas are typically 400g. Some boxed formulas may have a larger size, like 1200g, with three smaller 400g packets inside.
Varied Shelf Lives
Keep an eye on those expiration dates, and you'll notice a significant difference. Canned formulas generally boast a shelf life of 2 to 3 years, whereas boxed formulas usually clock in at 18 months. This is because the superior sealing of canned formulas aids in preservation, making them less prone to spoilage.
Different Storage Times
Although both canned and boxed formulas claim they can be stored for up to 3 weeks after opening, boxed formulas, due to their inability to achieve complete sealing, may have a slightly diminished shelf life compared to canned formulas. This is one reason why boxed formulas often come in smaller 400g packages. Overall, opened boxed formulas are trickier to store and have a somewhat reduced shelf life. It's generally recommended to finish opened boxed formulas within two weeks.
Ingredients are Basically the Same
Typically, formulas in cans and boxes of the same brand have nearly identical ingredient and nutritional content. Moms can do a quick comparison during the selection process, though occasional discrepancies might exist.
Age-Appropriate Shopping
For infants, especially those under 6 months, it's best to go for canned formula. At this stage, formula is the main source of nutrition, and the potential inconveniences associated with boxed formulas—imprecise measuring, poor sealing, susceptibility to moisture or contamination—are significant concerns. Accurate formula preparation is crucial for a baby's nutritional well-being, and cleanliness is vital for dietary hygiene.
As kids get older, especially beyond 2 years, formula is no longer a primary food source, and precise preparation becomes less critical. Considering the improved resistance of older children and the potential to lighten the economic burden, boxed formulas can be a viable option. However, it's generally not recommended to transfer boxed formula to a previously used metal can, as this may lead to secondary contamination. Instead, it's advisable to store boxed formula in a clean, well-sealed container.
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