A complete safety, timing, and dosage guide for combining Saw Palmetto with Ginkgo Biloba — including how the two supplements interact, the best time of day to take each, and which populations should be careful.
Yes, you can safely combine Ginkgo Biloba and Saw Palmetto because they have no known significant interaction.
Taking Ginkgo Biloba and Saw Palmetto together is safe. There is no known interaction that would reduce their effectiveness or cause side effects. You can continue your usual routine without spacing them out.
Ginkgo biloba's active constituents—flavonoid glycosides and terpene lactones—primarily influence circulation and platelet-activating factor, while saw palmetto's fatty acids and phytosterols modulate androgen metabolism in prostate tissue. Although both are lipid-soluble and undergo hepatic metabolism, they do not rely on the same narrow enzymatic pathway, and no clinically meaningful competition has been observed. Ginkgo is sometimes associated with mild antiplatelet activity, whereas saw palmetto has no known effect on blood clotting, so their pharmacologic actions do not overlap in a way that would create additive risks.
The simplest way to take ginkgo biloba and saw palmetto together is to take both with your morning meal, ideally one that contains a small amount of healthy fat. I recommend ginkgo in the morning because it can be mildly stimulating, and saw palmetto with food to avoid any gastrointestinal upset. If you prefer to separate them, take ginkgo earlier in the day and saw palmetto with lunch or dinner, but there's no need for strict spacing—15–30 minutes is more than enough. Missing a dose is not a concern; just pick up with your next scheduled dose.
Both supplements are typically sold as standardized extracts: ginkgo is standardized to 24% flavone glycosides and 6% terpene lactones, while saw palmetto extracts are standardized to 85–95% fatty acids and sterols. The form you choose does not change the interaction profile. To maximize saw palmetto absorption, take it with a meal that contains some fat—this is especially relevant for oil-based softgels.
These two supplements are not commonly combined in a single product. Ginkgo appears more often in memory-support formulas with ginseng or bacopa, while saw palmetto is usually paired with beta-sitosterol or pumpkin seed oil in prostate-support products.
Yes, you can take them at the same time. There is no known interaction that would make splitting them more effective, and taking them together with a meal is convenient.
Yes, it is safe to combine them daily, according to the evidence we have. Neither supplement appears to accumulate or interfere with the other over time. Just stay within recommended doses and let your doctor know about both.
No specific waiting time is required. I would take them at the same meal, but if you prefer to space them, a 30-minute separation is more than sufficient.
No, they do not compete for absorption. They are absorbed through different mechanisms, and their fat-soluble natures do not interfere with each other. You can take them together without worrying about reduced effectiveness.
Anyone with a bleeding disorder or taking blood thinners should seek medical advice before taking ginkgo, and pregnant or breastfeeding women should avoid ginkgo altogether. Saw palmetto is not meant for women, and men who have prostate conditions should monitor with their doctor.
I recommend taking them with food, especially saw palmetto, which absorbs better with dietary fat. Ginkgo can be taken on an empty stomach, but taking it with food may reduce any mild stomach upset.
Reviewed by Caroline M. on April 8, 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.