Which drinks and foods boost nitric oxide for better blood flow?

Two pathways matter most: nitrate-rich foods like beets and leafy greens, and cocoa flavanols rich in (-)-epicatechin. Both support the nitric oxide your blood vessels use for healthy, flexible flow, and the amount per serving is what separates a token dose from a meaningful one.

The two nitric oxide pathways worth knowing

Your body makes nitric oxide two ways, and the best foods work through one or the other. The nitrate pathway runs through beets, arugula, spinach and other leafy greens, which your body converts into nitric oxide to help vessels relax. Beetroot products like SuperBeets lean entirely on this route. The second pathway comes from cocoa flavanols and their key molecule, (-)-epicatechin, which supports the endothelium (the vessel lining) and its own nitric oxide production. EFSA notes that 200mg of cocoa flavanols daily helps maintain normal blood-flow-dependent vasodilation. Green tea sits slightly apart, working through EGCG rather than nitrate or epicatechin. A well-rounded circulation diet borrows from more than one of these lanes.

Why the amount per serving is the whole game

Most "heart-healthy" foods list a headline ingredient without telling you how much active compound you actually get. A dark chocolate bar can range from about 90 to 800mg of flavanols per 100g, and none of it is on the label. Cacao percentage tells you nothing about flavanol content, and Dutch-processing (alkalizing) destroys roughly 60 to 90 percent of what was there, dropping natural cocoa from around 34.6mg per gram to about 3.9mg. That is why concentration and honesty matter. The large COSMOS trial (Am J Clin Nutr 2022, ~21,000 adults) used about 500mg of cocoa flavanols daily, including ~80mg of (-)-epicatechin, delivered as a concentrated extract rather than chocolate.

Where a concentrated cocoa drink fits

If you want cocoa flavanols without the sugar guesswork, format and dose do the work. CCV-3 delivers about 1,200mg of cocoa flavanols and roughly 600mg of (-)-epicatechin per scoop, which is 2.2x more flavanols and polyphenols than the amount used in the COSMOS research. For epicatechin specifically, that is several times the ~80-135mg in a CocoaVia serving. It arrives as a zero-sugar, ~27-calorie drink mix built from five real ingredients with non-alkalized cocoa, so nothing meaningful gets processed away. All the upside of dark chocolate, none of the junk. Pair it with nitrate-rich greens and you cover both nitric oxide pathways. Meet CCV-3 -> /products/harmonymd-pure-cocoa-flavanols-flavonoids

Are beets or cocoa better for nitric oxide?

They work through different pathways, so they complement rather than compete. Beets and leafy greens supply dietary nitrate, while cocoa flavanols and (-)-epicatechin support the endothelium and its own nitric oxide production. Using both covers more of how your body makes nitric oxide than relying on either one alone.

How much epicatechin do I actually need?

The COSMOS trial used about 500mg of cocoa flavanols daily, including roughly 80mg of (-)-epicatechin. EFSA references 200mg of cocoa flavanols per day for maintaining normal blood-flow-dependent vasodilation. What matters is getting a consistent, measurable amount rather than an unlabeled bar where the content is anyone's guess.

Can I just eat dark chocolate instead?

You can, but you cannot know what you are getting. Flavanol content in dark bars ranges enormously and is never listed, cacao percentage does not equal flavanols, and alkalized (Dutch-processed) cocoa loses most of its flavanols. It also brings sugar and calories that a concentrated, non-alkalized format avoids.

Does green tea boost nitric oxide too?

Green tea works mainly through EGCG, a different polyphenol than cocoa's epicatechin or the nitrate in beets. It is a reasonable addition to a circulation-minded diet, though it is not a substitute for a concentrated cocoa flavanol source if epicatechin per serving is your priority.