Brown sugar is much healthier than white
Brown sugar and white sugar are nutritionally almost identical. Brown sugar contains trace minerals from molasses but in quantities too small to provide any meaningful health benefit. Both affect blood sugar in the same way and should be limited equally in a healthy diet.
What we know
Brown sugar is produced either by less-refined processing of sugarcane that retains some residual molasses, or more commonly by blending refined white sugar with a small amount of molasses to achieve the desired color and flavor. The molasses content gives brown sugar its characteristic taste, color, and slightly higher moisture content.
The nutritional differences between brown and white sugar are minimal. Brown sugar contains trace amounts of minerals including calcium, iron, magnesium, and potassium from the molasses, but at such low concentrations that consuming even 50g of brown sugar provides less than 5% of the daily reference intake for any of these minerals. To obtain meaningful mineral supplementation, one would need to consume unhealthfully large quantities.
Both brown and white sugar are composed primarily of sucrose and are metabolized identically. They have essentially the same glycemic index (around 65), meaning they raise blood sugar at the same rate. The European Food Safety Authority (EFSA), which EUFIC cites, and the WHO both recommend limiting added sugars to as little as possible regardless of color or type.
The belief that brown sugar is healthier represents a common cognitive error: associating a more 'natural' appearance with greater healthfulness. As EFSA data show, the practical difference in nutritional impact between using brown or white sugar is negligible.
Common claims
- Brown sugar is more natural and therefore healthierOften refined then re-added with molasses
- Brown sugar has significantly more vitamins and mineralsTrace amounts only; no practical benefit
- Brown sugar raises blood sugar more slowly than whiteSimilar glycemic index
- Substituting brown for white sugar is a meaningful health improvementNo measurable health benefit from the switch