The lowest-sugar Once Upon a Farm bars is Chocolate Oat Bar at 0g of added sugar per serving (Tier B). The highest is TRACTOR WHEELS Organic Toddler Soft-Baked Bar Strawberry, Pumpkin & Beet at 0g (Tier B). Across 10 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.
10 Once Upon a Farm bars 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: Chocolate Oat Bar at 0g; highest is TRACTOR WHEELS Organic Toddler Soft-Baked Bar Strawberry, Pumpkin & Beet at 0g.
Tier breakdown: 10 zero added sugar (Tier B).
| # | Product | Sugar Tier | Added Sugar | Total Sugar |
|---|---|---|---|---|
| 1 | Chocolate Oat Bar | BNo Added Sugar | 0g | 12g |
| 2 | Mixed berry soft baked bar | BNo Added Sugar | 0g | 12g |
| 3 | ![]() |
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BNo Added Sugar |
| 0g |
| 11g |
| 4 | Organic Refrigerated Fruit Bar Strawberry | BNo Added Sugar | 0g | 11g |
| 5 | Organic Refrigerated Oat Bar Apple Cinnamon | BNo Added Sugar | 0g | 12g |
| 6 | Organic Refrigerated Oat Bar Banana Chocolate | BNo Added Sugar | 0g | 5.4g |
| 7 | Organic Refrigerated Protein Bar Cinnamon Roll | BNo Added Sugar | 0g | — |
| 8 | Organic Soft-Baked Bar Mixed Berry | BNo Added Sugar | 0g | 12g |
| 9 | Soft Baked Bar : Apple and Oat | BNo Added Sugar | 0g | 12g |
| 10 | TRACTOR WHEELS Organic Toddler Soft-Baked Bar Strawberry, Pumpkin & Beet | BNo Added Sugar | 0g | 5g |