Yes, this is gluten free
Nutritional yeast is grown on molasses or cane sugar rather than barley wort, which is what makes it gluten-free. Brewer's yeast, a byproduct of beer, is not.
Point CiCi at the barcode on the product you're holding and get this same reasoning in about two seconds, plus the carbs and the full nutrition panel. 360,000+ packaged foods are already read and waiting.
The aisle guides below cover Nutritional yeast in context — which is usually the more useful question, because an ingredient rarely appears alone.
This answer comes from CiCi's ingredient lexicon — the same rules the scanner uses, not a separate article. Where reputable sources disagree, CiCi takes the conservative position and says so.