SUPERthrive is a WARF testing lab certified non-toxic liquid concentrated growth enhancer product for plants, which has been available since 1940. It contains ".09%vitamin B1, .048% 1-Napthyl acetic acid",SUPERthrive™ Add to fertilizer for growth! Unique normalizing vitamins - hormones (50). SUPERthrive™ World Champion activator, reviver, transplanter and grower. Super Concentrated! 1 Tbsp per 15 Gallons! Great for everything green... indoor/outdoor plants, seedlings, bulbs, trees, lawns. NON-Pesticide, NON-Polluting - 50 biousables normal pure complexes.