Tri-Vi-Sol Dosing for Breastfed Infants Under 12 Months
For exclusively or partially breastfed infants under 12 months of age, administer 1 mL of Tri-Vi-Sol daily, which provides 400 IU of vitamin D, 1500 IU of vitamin A, and 35 mg of vitamin C.
Essential Vitamin D Supplementation
All breastfed infants require 400 IU of vitamin D daily starting at hospital discharge and continuing throughout the entire breastfeeding period, regardless of whether breastfeeding is exclusive or partial. 1
Breast milk contains insufficient vitamin D to meet infant requirements, making supplementation mandatory for all breastfed babies. 1
Supplementation should continue as long as breastfeeding continues—there is no upper age limit for discontinuation based on the infant's age alone. 1
The standard 1 mL dose of Tri-Vi-Sol provides the recommended 400 IU of vitamin D. 1
Additional Vitamins in Tri-Vi-Sol
The vitamin A content (1500 IU per mL) falls within safe ranges for term infants, as guidelines recommend 700-1500 IU/kg/day for preterm infants, suggesting adequate safety margins for term babies. 2
The vitamin C content (35 mg per mL) exceeds minimum requirements but remains well below toxic levels, as parenteral doses of 15-25 mg/kg/day are considered safe for infants. 3
A standard multivitamin dose of 0.5-1.0 mL is considered adequate for infants with chronic conditions requiring supplementation. 3
Critical Administration Guidelines
Begin supplementation in the first days of life at hospital discharge. 1
Continue daily administration without interruption throughout breastfeeding. 1
For formula-fed infants, discontinue Tri-Vi-Sol only when the infant consistently consumes at least 28 ounces of vitamin D-fortified formula daily. 1
Alternative Maternal Supplementation Strategy
Lactating mothers can alternatively take 6400 IU of vitamin D daily instead of direct infant supplementation, providing adequate vitamin D through breast milk. 1
This maternal approach must continue throughout the entire breastfeeding period. 1
Common Pitfalls to Avoid
Never discontinue supplementation at an arbitrary age (such as 6 months)—base the decision on feeding method and volume, not age alone. 1
Do not assume that introducing solid foods eliminates the need for vitamin D supplementation in breastfed infants. 1
Ensure the product used is specifically formulated for infants—adult multivitamin formulations containing propylene glycol and polysorbate must never be used due to toxicity risk. 2, 4