Source: Schema.org v30.1 vocabulary. Official proteinContent property definition.
What does proteinContent mean?
The number of grams of protein.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status