What the FDA labels say about taking them together
Alpha-tocopherol, asorbic acid and 11 other ingredients and ascorbic acid
Alpha-tocopherol, asorbic acid and 11 other ingredients's FDA label of July 2, 2026 names ascorbic acid in its drug interactions section; the ascorbic acid label PlainMeds reads does not name alpha-tocopherol, asorbic acid and 11 other ingredients. The alpha-tocopherol, asorbic acid and 11 other ingredients label: “Effect of multiple vitamins injection (pediatric) on other drugs: Thiamine, riboflavin, pyridoxine, niacinamide, and ascorbic acid decrease activities of erythromycin, kanamycin, streptomycin, doxycycline, and lincomycin”
Check it at the source: the alpha-tocopherol, asorbic acid and 11 other ingredients FDA label on DailyMed (effective July 2, 2026); the ascorbic acid FDA label on DailyMed (effective May 29, 2026, McGuff Pharmaceuticals, Inc.).
What does the alpha-tocopherol, asorbic acid and 11 other ingredients label say about ascorbic acid?
Alpha-tocopherol, asorbic acid and 11 other ingredients label, drug interactionsEffect of multiple vitamins injection (pediatric) on other drugs: Thiamine, riboflavin, pyridoxine, niacinamide, and ascorbic acid decrease activities of erythromycin, kanamycin, streptomycin, doxycycline, and lincomycin
Alpha-tocopherol, asorbic acid and 11 other ingredients label, warnings and precautionsAscorbic acid in the urine may cause false negative urine glucose results.
Source: FDA drug label (Multiple Vitamins (Pediatric) Pharmacy Bulk Package), Apotex Corp, effective July 2, 2026 (SPL set d9b6eb9a-4218-5c94-6e35-7cbbf0fba494), via openFDA; the full label on DailyMed
What does the ascorbic acid label say about alpha-tocopherol, asorbic acid and 11 other ingredients?
Ascorbic acid's label (effective May 29, 2026) does not name alpha-tocopherol, asorbic acid and 11 other ingredients in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Ascor), McGuff Pharmaceuticals, Inc., effective May 29, 2026 (SPL set 388aad52-fc01-4784-9791-1dbc80c69306), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Alpha-tocopherol, asorbic acid and 11 other ingredients | Ascorbic acid | |
|---|---|---|
| Labeled for | n/a | n/a |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | n/a | n/a |
| Shortage now | No current entry | No current entry |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once