Education Center

A mother and adult son share a relaxed breakfast with miso soup, sauerkraut, kefir and tempeh, showing how to eat fermented foods every day.

Should You Eat Fermented Foods Every Day?

Should you eat fermented foods every day? See what a Stanford trial and a 92,915-person cohort found, plus timing, portions and who should ask first.

Should You Eat Fermented Foods Every Day?

Should you eat fermented foods every day? See what a Stanford trial and a 92,915-person cohort found, plus timing, portions and who should ask first.

Doenjang, Korean fermented soybean paste, in an earthenware crock beside dried meju blocks and soybeans on a light oak table.

What Is Doenjang? Korea's Fermented Soybean Paste

What is doenjang? Meet Korea's long-aged fermented soybean paste: how it's made from meju, how it differs from miso, and what research really shows.

What Is Doenjang? Korea's Fermented Soybean Paste

What is doenjang? Meet Korea's long-aged fermented soybean paste: how it's made from meju, how it differs from miso, and what research really shows.

A glass of nitrogen fermented soy beverage beside a bowl of organic soybeans, representing Haelan 951, also known in research as FSWW08.

FSWW08 and Haelan 951: Nitrogen Fermented Soy E...

FSWW08 is the research name for Haelan 951, the nitrogen fermented soy beverage. See how the three names connect and what nitrogen fermented soy means.

FSWW08 and Haelan 951: Nitrogen Fermented Soy E...

FSWW08 is the research name for Haelan 951, the nitrogen fermented soy beverage. See how the three names connect and what nitrogen fermented soy means.

A mother and adult son cooking with fermented foods at home, stirring miso into soup off the heat beside pan-seared tempeh.

Does Cooking Destroy Probiotics in Fermented Fo...

Does cooking destroy probiotics in fermented foods? Mostly, but that is not the whole story. See what heat changes in miso, tempeh and natto, and what stays.

Does Cooking Destroy Probiotics in Fermented Fo...

Does cooking destroy probiotics in fermented foods? Mostly, but that is not the whole story. See what heat changes in miso, tempeh and natto, and what stays.

A bowl of miso soup with seaweed, whole soybeans, sea salt and a halved egg on a light oak table, illustrating soy and thyroid-supporting iodine foods

Does Soy Affect Thyroid Function? What the Stud...

Does soy affect thyroid function? We read the meta-analyses and trials so you don't have to: what iodine, dose and medication timing really change.

Does Soy Affect Thyroid Function? What the Stud...

Does soy affect thyroid function? We read the meta-analyses and trials so you don't have to: what iodine, dose and medication timing really change.

Flat lay of fermented soy foods on a light oak table: a bowl of whole soybeans, dark miso paste in a stoneware dish, sliced tempeh on a stone board, and fresh soybean pods on a sage green linen napkin

Does Soy Raise Estrogen? What the Research Says

Does soy raise estrogen? Phytoestrogens aren't the same molecule as human estrogen. Here's what 41 controlled trials found when hormones were measured.

Does Soy Raise Estrogen? What the Research Says

Does soy raise estrogen? Phytoestrogens aren't the same molecule as human estrogen. Here's what 41 controlled trials found when hormones were measured.

Two home cooks whisking miso into broth and slicing scallions together in a bright, sunlit kitchen

How to Add Fermented Soy to Your Diet: A 7-Day ...

A realistic 7-day plan for how to add fermented soy to your diet: one small swap a day, what the research actually shows, and how to make it stick.

How to Add Fermented Soy to Your Diet: A 7-Day ...

A realistic 7-day plan for how to add fermented soy to your diet: one small swap a day, what the research actually shows, and how to make it stick.

Overhead flat lay of soy protein foods on a light oak table: sliced tempeh, shelled edamame, a block of tofu, a bowl of miso paste and dried soybeans

Is Soy a Complete Protein? What the Science Says

Is soy a complete protein? It has all nine essential amino acids — but the interesting answer is what your body absorbs, and what fermentation really changes.

Is Soy a Complete Protein? What the Science Says

Is soy a complete protein? It has all nine essential amino acids — but the interesting answer is what your body absorbs, and what fermentation really changes.

Two ceramic bowls side by side on a light oak table, one holding pale white miso paste and the other dark red miso paste, with wooden spoons, dried soybeans and rice koji nearby

White Miso vs. Red Miso: What's the Difference?

White miso vs. red miso: the difference is time, koji, and salt. Here's what changes in the jar, and which one belongs in what you're cooking.

White Miso vs. Red Miso: What's the Difference?

White miso vs. red miso: the difference is time, koji, and salt. Here's what changes in the jar, and which one belongs in what you're cooking.

A woman in her fifties laughing with a mug of tea in a sunlit autumn kitchen while a younger man reaches for a bowl nearby, illustrating a fall wellness reset routine

Your Fall Wellness Reset: Habits That Actually ...

A fall wellness reset has a real psychological advantage over a January one. Here's what the research says about fresh starts, and how to build a routine you'll keep.

Your Fall Wellness Reset: Habits That Actually ...

A fall wellness reset has a real psychological advantage over a January one. Here's what the research says about fresh starts, and how to build a routine you'll keep.

Sliced tempeh cake showing whole soybeans bound in white mycelium beside a partly sliced block of firm tofu on a light oak cutting board with dried soybeans and a sage green linen napkin

Tempeh vs. Tofu: What's Actually Different?

Tempeh vs tofu: one is pressed soy curd, the other a whole-bean food built by a living mold. Here's what fermentation actually changes, and how to use each.

Tempeh vs. Tofu: What's Actually Different?

Tempeh vs tofu: one is pressed soy curd, the other a whole-bean food built by a living mold. Here's what fermentation actually changes, and how to use each.

Overhead flat lay of traditional fermented soy foods on light oak: a ceramic bowl of dark miso paste, sliced tempeh on a stone board, cooked soybeans and scattered dried soybeans on cream linen

Equol Producers: Why Soy Affects People Differe...

Only some people turn soy daidzein into equol. Here is what an equol producer is, why gut bacteria decide, and what it means for reading soy research.

Equol Producers: Why Soy Affects People Differe...

Only some people turn soy daidzein into equol. Here is what an equol producer is, why gut bacteria decide, and what it means for reading soy research.