Vitamin C (Magnesium Ascorbate) + Vitamin D3
Compatible. Timing differs, so follow each supplement's own window.
Verdict
Timing plan
Can be taken togetherNothing blocks them — the same window is what produces the synergy below.
What helps
Vitamin C (Magnesium Ascorbate) → Vitamin D3
Cofactor for vitamin D metabolizing enzymes · level AVitamin D3 → Vitamin C (Magnesium Ascorbate)
Required for 25-hydroxylase and 1α-hydroxylase enzymes · level ASide by side
| Vitamin C (Magnesium Ascorbate) | Vitamin D3 | |
|---|---|---|
| Bioavailability | 85% | 85% |
| Elemental mineral | 6.5% | —% |
| Cost per 100 mg absorbed | $0.97 | $— |
| Safety rating | 9/10 | 9/10 |
| Cost per month | $20 | $8 |
| Daily dose | 500-2000 mg | 1000-2000 IU |
| Best timing | Divided doses with meals | Morning with fat |
| Evidence level | A | A |
How this score was built
- Baseline for any untested pair: 70
- +12 — synergy at evidence level A
- +12 — synergy at evidence level A
- = 94 out of 100
Where to buy
Buying both? Check the timing plan above so they do not cancel each other out.
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Common questions
Can you take Vitamin C (Magnesium Ascorbate) and Vitamin D3 together?
Compatible. Timing differs, so follow each supplement's own window. The pair scores 94 out of 100, based on 2 documented interaction records.
What should you not take with Vitamin C (Magnesium Ascorbate)?
Nothing in this pairing clashes. Its own page lists everything Vitamin C (Magnesium Ascorbate) is documented to conflict with.
When should you take Vitamin C (Magnesium Ascorbate) and Vitamin D3?
Vitamin C (Magnesium Ascorbate): Divided doses with meals. Vitamin D3: Morning with fat. The same window works for both.