The lowest-sugar Once Upon a Farm cereal is Banana Oatmeal Blend at 0g of added sugar per serving (Tier B). The highest is Banana Oatmeal Blend at 0g (Tier B). Across 1 products in this line, 100% land at 3g or less of added sugar per serving (Tier C or better) — average across the line is 0.0g per serving.
1 Once Upon a Farm cereal compared side-by-side. Average added sugar across this line is 0.0g per serving, with 100% at 3g or less (Tier C or better). Lowest-sugar pick: Banana Oatmeal Blend at 0g.
Tier breakdown: 1 zero added sugar (Tier B).
| # | Product | Sugar Tier | Added Sugar | Total Sugar |
|---|---|---|---|---|
| 1 | Banana Oatmeal Blend | BNo Added Sugar | 0g | 5g |
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