scored 82/100
Salsify is a root vegetable with a delicate, slightly oyster-like flavor, providing excellent prebiotic fiber and potassium with minimal calories, making it valuable for metabolic health and longevity.
13.0 g net carbs after fiber.
Representative amounts for this food, not measured for this item. Real content varies widely by variety, ripeness and storage.
These are the scored components, not a sum: the published score also reflects normalisation across the catalog, so the parts above will not add to 82.
Salsify (Tragopogon porrifolius), also known as oyster plant, is a nutrient-dense root vegetable native to the Mediterranean region but cultivated globally. It contains approximately 3.3g of fiber per 100g, predominantly inulin—a soluble prebiotic that feeds beneficial gut bacteria and supports microbial diversity linked to healthy aging. With 380mg of potassium and only 82 calories per 100g, salsify supports cardiovascular health and blood pressure regulation without caloric excess. The vegetable provides meaningful amounts of folate (B9), which supports DNA methylation and homocysteine metabolism—both critical markers in longevity research. Salsify also contains unique polyphenolic compounds and modest selenium content, supporting antioxidant defenses. Its low glycemic impact and high satiety due to prebiotic fiber makes it particularly valuable for metabolic health, insulin sensitivity, and weight management—all independent predictors of lifespan. The prebiotic inulin particularly distinguishes salsify among root vegetables, as it directly modulates the gut microbiome composition in ways associated with reduced inflammation and improved metabolic endotoxemia markers in aging populations.
Inulin is fermented by beneficial bacteria in the colon, producing short-chain fatty acids (butyrate) that strengthen the intestinal barrier, reduce lipopolysaccharide translocation, and support anti-inflammatory immune response
High potassium content aids vasodilation and blood pressure regulation; soluble fiber binds cholesterol and reduces LDL oxidation risk, while butyrate from inulin fermentation may improve endothelial function
Prebiotic inulin slows glucose absorption, reduces postprandial glycemic spikes, and its fermentation products improve insulin-mediated glucose uptake in peripheral tissues
Salsify provides folate (26mcg per 100g) necessary for methionine cycle function, DNA methylation patterns, and nucleotide synthesis—processes deteriorating with age
Inulin fermentation produces propionate and butyrate that upregulate GPR43/GPR109a signaling, reducing pro-inflammatory cytokine production and intestinal permeability
Salsify can be consumed at any meal; evening consumption may provide marginal benefit through overnight prebiotic fermentation and butyrate production during sleep-enhanced immune tolerance windows, but consistency matters more than timing
Breaks a fast
The prebiotic inulin requires intact colonic microbiota for fermentation, so acute antibiotic use may temporarily reduce benefits; resume regular consumption post-antibiotic to restore microbial diversity
Per 100 g of the default form. Bars show how much higher or lower salsify is than the average across 137 peer foods in this category. Green means a favorable direction; amber means the opposite.
Salsify is classified as a vegetable. Salsify is a root vegetable with a delicate, slightly oyster-like flavor, providing excellent prebiotic fiber and potassium with minimal calories, making it valuable for metabolic health and longevity.
Salsify scores 82/100 in Formulate, making it a great choice. Its strongest contributions come from Vitamin B6, Riboflavin, Manganese. The score blends nutrient density, fiber, healthy fats, protein quality, bioactive compounds, and glycemic impact.
Not particularly. A 85 g serving provides about 2.8 g of protein (~6% of the 50 g daily value).
It's a moderate source of fiber. A 85 g serving provides about 2.8 g of fiber (~10% of the 28 g daily value).
In a 85 g serving, salsify is highest in Vitamin B6 (~19% DV), Riboflavin (~14% DV).
Not really. A 85 g serving has about 13 g of net carbs (15.8 g total minus 2.8 g fiber).
Best any time of day. Salsify can be consumed at any meal; evening consumption may provide marginal benefit through overnight prebiotic fermentation and butyrate production during sleep-enhanced immune tolerance windows, but consistency matters more than timing
A typical serving is around 85 g (~70 kcal), based on the FDA's Reference Amount Customarily Consumed for this food category. There's no fixed daily target — most adults benefit from rotating salsify alongside several other vegetable sources.
Salsify pairs nicely with: Pair with olive oil because fat-soluble polyphenols in salsify require lipid carriers for absorption, and olive oil's polyphenols provide additional anti-inflammatory synergy; Combine with garlic and onions because all three contain fructans and prebiotic compounds that synergistically expand beneficial bacterial populations; Serve with vitamin C sources (citrus, tomatoes, bell peppers) to enhance non-heme iron absorption from salsify's modest iron content; Pair with fatty fish (salmon, mackerel) because omega-3 PUFA upregulates butyrate receptor expression, amplifying benefits from salsify's inulin fermentation.
Encyclopedia entries that supply the same signature nutrients salsify contributes. Click through to see clinical dose ranges, evidence quality, and bioavailable forms.
These are the nutrients salsifycontributes meaningfully toward (≥10% DV per 100 g serving). Click one to see what it does in the body, which supplements concentrate it, and which other foods are top sources.