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Discover the most popular fiber articles this week. From gut health to weight loss, these trending reads are backed by science and chosen by our community.
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If you’re new here, these three are the place to start — the foundations everything else builds on.
Cacao powder fiber shown with a wooden bowl of dark cacao powder, a few cacao beans and a cracked open cacao pod
Cacao powder fiber is surprisingly high: USDA lists 37 grams per 100 grams of natural unsweetened cocoa powder, or about 4 grams in two tablespoons for roughly 25 calories. Dutch processed cocoa has a little less, and sweetened hot cocoa mixes have very little.
Goji berry fiber shown with a bowl and wooden spoon full of bright red dried goji berries with loose berries scattered
Goji berries fiber content is solid but not unusual: USDA lists 13 grams per 100 grams of dried goji, or about 3.6 grams in a 28 gram handful. That puts goji right alongside dried figs, prunes and dates.
Reishi mushroom fiber shown with thin dried brown reishi slices on a wooden board beside a cup of dark mushroom tea
Reishi mushroom fiber is surprisingly concentrated: a 2024 analysis found dried reishi was about 64% dietary fiber. But most people take reishi as tea or extract, which leaves most of that woody fiber behind.
Chlorella fiber shown with a bowl of dark green chlorella powder, a few green tablets and a tall glass of green juice
Chlorella fiber content runs about 7 to 16 grams per 100 grams of powder, which works out to well under a gram in a typical 5 gram daily dose. Most of that fiber sits in the alga’s tough cellulose cell wall.
Camu camu fiber shown with a bowl of small round red camu camu berries and two bowls of pink and red berry powder
Camu camu fiber is modest: fresh camu camu pulp has about 1.2 grams of dietary fiber per 100 grams, and a teaspoon of powder adds roughly half a gram. The fruit earns its superfood name from vitamin C, not fiber.
Baobab fiber shown with a split baobab fruit pod revealing chalky white pulp beside a bowl of pale baobab powder
Baobab fiber content is genuinely high: USDA lists 44.5 grams of fiber per 100 grams of baobab powder, and a 10 gram serving gives about 4.5 grams. Unlike most superfood powders, much of that fiber is the soluble kind.
Acai fiber shown with a deep purple acai bowl topped with banana slices, granola and blueberries, plus a dish of berries
Acai fiber content is genuinely high: dried acai pulp measured about 71 grams of fiber per 100 grams in a 2011 study, almost all of it insoluble. Fresh pulp is mostly water, so 100 grams of frozen pulp likely supplies a few grams, depending on how thick it is.
Maca root fiber shown with whole dried maca roots beside a bowl of beige maca powder with a wooden spoon
Dried maca root fiber runs about 15.6 to 26 grams per 100 grams, according to a 2019 review in Food Chemistry. A 5 gram scoop of maca powder adds roughly 1 gram of fiber, more than many superfood powders but still a small amount.
Matcha fiber shown with a bowl of frothy green matcha tea on a saucer, a bamboo whisk and a small dish of powder
Matcha fiber content is surprisingly high by weight, about 56 grams per 100 grams of powder in a 2024 lab analysis. Because a cup uses only a gram or two, a typical matcha drink adds roughly 0.5 to 1 gram of fiber, while steeped green tea adds none.
Moringa fiber shown with a branch of fresh moringa leaves, a wooden bowl of bright green moringa powder and a spoon
Moringa fiber content is modest: fresh leaves have about 2 grams of fiber per 100 grams, and dried moringa powder has roughly 7 to 9.5 grams per 100 grams. A 5 gram scoop of powder adds less than half a gram, so moringa earns its place through minerals and vitamins more than fiber.
Spirulina fiber shown with small dishes of deep green spirulina powder beside a tall glass of green smoothie
No, spirulina is not high in fiber. A tablespoon of dried spirulina has about 0.25 grams of fiber, so its spirulina fiber content is tiny even though it is rich in protein, copper and iron.
Soft high fiber foods for seniors: a bowl of lentil soup, oatmeal with stewed prunes and a ripe pear on a table
The best high fiber foods for seniors are soft, easy options like lentil and split pea soup, canned pumpkin, cooked carrots and sweet potato, ripe pears, raspberries, avocado and bran cereal. They pack a lot of fiber into small, easy to chew portions.

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