Probios Plus Natural E Gel is a readily available source of natural vitamin E for newborn calves & other cattle. Also contains naturally occurring, lactic acid-producing beneficial bacteria. Contains 500 IU d-alpha-tocopherol per 10 gm dose. Dosage: Calves - 5 gms at birth; Cattle - 10-30 gms; Pre/post-antibiotic therapy - 15 gms.