• Sulfites – a preservative that naturally occurs in wine but is also used as an additive, making it possible for wine to age longer (it prevents oxidation).
• Biodynamic – a type of farming that tries to keep all aspects of the local ecosystem healthy, from soil bacteria to birds to waterways – it’s organic and then some.
• 100% Organic Wine – made from 100% certified organic grapes grown on an organic farm, and doesn’t contain any added sulfites (a preservative in most wines) per USDA standards.
• Organic Wine – contains at least 95% organically grown grapes from an organic farm, without added sulfites.
• Made with Organic Grapes – the wine has at least 70% organic grapes. Added sulfites are allowed.
• Contains Organic Grapes – contains some level of organic grapes (less than 70%), and producers can add sulfites.
• Vegan wines – wines produced without animal by-products like gelatin or milk protein. Here’s a list.

Read the complete five part guide here.