Avoid using Korean ginseng with warfarin, insulin, phenelzine, and diabetes medications prior to consulting a doctor. Research suggests that it can interact with these drugs in ways that could cause health problems in some people. [2] X Research source Korean ginseng is around $10 for 100 capsules at 500 mg each.

American ginseng is from the same taxonomical class as Korean ginseng. You can usually buy American ginseng for around $10 for 100 capsules at 500 mg each.

Siberian ginseng is around $10 for 180 capsules at 420 mg each.

Indian ginseng is typically sold under its Ashwagandha name and is around $10 for 120 500-mg capsules.

Brazilian ginseng also has anti-inflammatory activity in the intestines. [7] X Trustworthy Source PubMed Central Journal archive from the U. S. National Institutes of Health Go to source Brazilian ginseng is bit more expensive, priced at around $20 for 60 capsules at 500 mg each.

The most reliable ginseng brands include NOW Foods, Nature’s Answer, The Vitamin Shoppe, Nature’s Bounty, and Nature’s Way. [8] X Research source Stores like Wal-Mart, Target, and Whole Foods typically stock ginseng.

Ginseng can take anywhere from 5 to 10 years to reach large enough sizes that their roots can be harvested, so this is only an option for those with patience. [10] X Research source

Ask them what data they have to prove product quality and effectiveness, including good manufacturing practice (GMP) certification. Determine if they manufacture the products themselves or contract manufacturing to another company. If they do the latter, you probably shouldn’t invest in their products. Ask other questions like “Do you use pure form ingredients?”, “What kinds of testing do you perform?” and “Do you clean your facility with toxic chemicals?”

Visit the U. S. Pharmacopeia Convention and ConsumerLab. com sites for lists of trusted brands.

Prozac, Cialis, Adderall, caffeine, and warfarin are a few drugs known to interact with ginseng products. For a more comprehensive list, look here: https://www. drugs. com/drug-interactions/ginseng. html.

Be careful when mixing with other herbs or supplements. For example, most Monster Energy drinks have around 400 mg of panax ginseng, which means you’re already about halfway to the recommended maximum after one can.

Milligram scales cost between $20 and $50.

Capsule makers usually cost between $20 to $30.