Fish Oil (EPA/DHA) + Vitamin D3
Compatible. Timing differs, so follow each supplement's own window.
0
compatibility
0
synergies
0
conflicts
Verdict
78
out of 100
Works better together
Compatible. Timing differs, so follow each supplement's own window.
Timing plan
Can be taken together
Fish Oil (EPA/DHA)
With meals
1-2g EPA/DHA
Vitamin D3
Morning with fat
1000-2000 IU
Nothing blocks them — the same window is what produces the synergy below.
What helps
+
Both support immune and cardiovascular health
Fish Oil (EPA/DHA) → Vitamin D3
Complementary effects on inflammation and immunity · level BSide by side
| Fish Oil (EPA/DHA) | Vitamin D3 | |
|---|---|---|
| Bioavailability | 85% | 85% |
| Safety rating | 8/10 | 9/10 |
| Cost per month | $25 | $8 |
| Daily dose | 1-2g EPA/DHA | 1000-2000 IU |
| Best timing | With meals | Morning with fat |
| Evidence level | A | A |
How this score was built
- Baseline for any untested pair: 70
- +8 — synergy at evidence level B
- = 78 out of 100
Where to buy
Buying both? Check the timing plan above so they do not cancel each other out.
Affiliate links — we may earn a commission at no cost to you.
Common questions
Can you take Fish Oil (EPA/DHA) and Vitamin D3 together?
Compatible. Timing differs, so follow each supplement's own window. The pair scores 78 out of 100, based on 1 documented interaction records.
What should you not take with Fish Oil (EPA/DHA)?
Nothing in this pairing clashes. Its own page lists everything Fish Oil (EPA/DHA) is documented to conflict with.
When should you take Fish Oil (EPA/DHA) and Vitamin D3?
Fish Oil (EPA/DHA): With meals. Vitamin D3: Morning with fat. The same window works for both.