Studies showed that having 25-120 mg of garlic extract per day is safe and successfully thins blood.

A standard curcumin dose is 500 mg per day in tablet form. However, this isn’t the dosage specifically to thin your blood, so talk to your doctor about the right dosage. [3] X Research source

Turmeric is safe in high amounts, even up to 3 g daily. However, remember that you might experience an upset stomach or diarrhea if you eat too much of it regularly. [5] X Research source

The dosage for grape seed extract varies widely and ranges from 150 to 2,000 mg per day. If you’re specifically trying to use it to thin your blood, talk to your doctor for the right dose. [8] X Research source

Good sources of vitamin E include nuts, seeds, vegetable oils, beans, soy, and leafy green vegetables.

The most popular source for omega-3s is fish, especially oily fish like salmon, mackerel, and sardines. You can also get it from nuts, seeds, legumes, and beans.

Vitamin K comes from leafy green vegetables, red meat, poultry, dairy products, and eggs. Do not cut out vitamin K entirely. You still need it to stay healthy. It’s unlikely you’ll get too much from your regular diet, so you don’t have to make big dietary changes.

You may have heard the advice to drink 8 glasses of water per day. This is a good goal, but it’s better to let your body tell you if you need more water. If you feel thirsty or your urine is dark yellow, then drink more. [14] X Trustworthy Source Mayo Clinic Educational website from one of the world’s leading hospitals Go to source

If you don’t drink already, then don’t start just because you just want to thin your blood. There are other ways to do this, and not drinking at all is better than drinking.