Education Center

Whole soybeans, golden miso paste and a wedge of tempeh on a light oak table, showing the unfermented and fermented soy foods behind glucoside and aglycone isoflavones.

Aglycone vs. Glucoside Isoflavones: What's the ...

Aglycone vs glucoside isoflavones: one sugar molecule separates them. See what human trials say about which form your body absorbs faster and in larger amounts.

Aglycone vs. Glucoside Isoflavones: What's the ...

Aglycone vs glucoside isoflavones: one sugar molecule separates them. See what human trials say about which form your body absorbs faster and in larger amounts.

A woman pours a small glass of fermented soy beverage at a sunlit oak breakfast table beside a bowl of miso soup, illustrating the best time to eat fermented foods

When Is the Best Time to Eat Fermented Foods?

Wondering about the best time to eat fermented foods? Here's what digestion research actually says about morning vs. night, meals, and routine.

When Is the Best Time to Eat Fermented Foods?

Wondering about the best time to eat fermented foods? Here's what digestion research actually says about morning vs. night, meals, and routine.

Soybeans soaking in a ceramic bowl beside sliced tempeh, miso paste and sprouted soybeans on a light oak table, illustrating how fermentation and soaking affect phytic acid in soy.

Does Fermentation Reduce Phytic Acid in Soy?

Does fermentation reduce phytic acid in soy? See what tempeh, natto and miso studies actually found, why results vary so much, and when phytate matters.

Does Fermentation Reduce Phytic Acid in Soy?

Does fermentation reduce phytic acid in soy? See what tempeh, natto and miso studies actually found, why results vary so much, and when phytate matters.

A ceramic bowl of natto, Japanese fermented soybeans with sticky strands, lifted with chopsticks over rice on a light oak table.

Natto vs. Nattokinase: What's the Difference?

Natto vs nattokinase: one is a whole fermented soy food, the other a single enzyme in a capsule. See what studies show for each before you choose.

Natto vs. Nattokinase: What's the Difference?

Natto vs nattokinase: one is a whole fermented soy food, the other a single enzyme in a capsule. See what studies show for each before you choose.

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.