A complete safety, timing, and dosage guide for combining Ginger with St. John's Wort — including how the two supplements interact, the best time of day to take each, and which populations should be careful.
Yes, you can safely take ginger and St. John's Wort together. There is no known interaction between these two herbs, and they can be combined without concern.
Ginger and St. John's Wort together are safe to combine, as no significant interaction exists between the two herbs. Ginger's anti-inflammatory compounds and St. John's Wort's mood-supporting compounds work through different pathways and do not interfere with each other.
Ginger's active compounds — gingerols and shogaols — exert their effects primarily on prostaglandin pathways and digestive motility, while St. John's Wort's hypericin and hyperforin act on central nervous system reuptake of serotonin, dopamine, and norepinephrine. St. John's Wort is a potent inducer of CYP3A4 and P-glycoprotein, which speeds up the metabolism of many medications, but ginger does not rely on or meaningfully affect these enzymes for its activity. No competition for absorption occurs because ginger and St. John's Wort are absorbed via distinct intestinal transporters. Therefore, the two herbs do not biologically interfere with each other, and the combination is neutral.
If you need both herbs, take them together at breakfast with a small meal containing protein to minimize any stomach irritation. Ginger can be taken as a tea or capsule alongside a 300 mg St. John's Wort capsule, twice daily, but check with your prescriber first. There is no need to space out doses because the two do not compete for absorption. If you miss a dose, just take it at the next meal; do not double up. For optimal absorption of St. John's Wort, take it with food that has some fat, while ginger's water-soluble compounds absorb equally well with or without food.
There is no meaningful difference in interaction risk between ginger and St. John's Wort forms. For St. John's Wort, use a standardized extract (0.3% hypericin, 3-5% hyperforin) for consistent dosing. For ginger, fresh root, dried powder, or standardized extracts (5% gingerols) are all appropriate.
Ginger and St. John's Wort are not commonly found together in pre-formulated stacks; ginger appears in digestive and anti-inflammatory formulas, while St. John's Wort is reserved for mood support products.
Yes, you can take ginger and St. John's Wort together; there is no known interaction. I tell patients it's safe to combine them, even in the same meal. Just be aware of St. John's Wort's broader medication interactions.
Yes, it is safe to combine ginger and St. John's Wort every day, as long as you are not taking other interacting medications. I recommend monitoring your mood and digestion, and checking with your doctor if you are on any prescription drugs.
You do not need to wait, since the two herbs don't interfere with each other. I often tell patients they can take them together at the same time, with or without food.
No, ginger and St. John's Wort do not compete for absorption because they use different transport pathways. In my practice, I have never seen a need to separate them.
Most people can take them together safely, but I recommend avoiding St. John's Wort if you are pregnant, breastfeeding, or taking antidepressants, birth control pills, or blood thinners. For those people, skip St. John's Wort and continue ginger.
I suggest taking both with food to minimize any stomach discomfort. Ginger and St. John's Wort both are fine with food; St. John's Wort especially absorbs better with a meal that has some fat.
Reviewed by Caroline M. on April 7, 2025 for accuracy against the sources listed above. This page is educational and is not a substitute for professional medical advice.
The matrix has 86 supplements and 7310 pairwise interactions. Click any cell to see the full breakdown.