The phrase "a source of fiber" is correct and usable in written English.
It can be used when discussing foods or products that provide dietary fiber, which is important for digestive health.
Example: "Oats are a great source of fiber, making them an excellent choice for breakfast."
Alternatives: "a fiber-rich option" or "a fiber provider."
Marijuana (Cannabis sativa L). is a plant cultivated and trafficked worldwide as a source of fiber (hemp), medicine, and intoxicant.
Fruit pomace (FP) as a source of fiber partially replaced recycled newspaper (NP) to create molded pulp boards (FPBs).
In 1985 she moved to Hong Kong and, with $4,000 in savings, set up a company importing waste paper, an alternative to the usual rice straw, as a source of fiber.
Oleic Acid Avocados are also a source of fiber and oleic acid, a healthy monounsaturated fat.
The very fine spines and hairs (trichomes) of some cacti were used as a source of fiber for filling pillows and in weaving.
The wet milling facilities were not anticipated to adopt this technology because feasible production of CGF relies on a source of fiber that is mixed and dried with process streams such as steepwater and fermentation solids (distillers solubles).
Coconuts, a source of food, fiber and charcoal, become a menace during powerful typhoons.
Moreover, maize bran contains hemicellulose, cellulose and a small amount of lignin, thus representing a source of dietary fiber.
6 Repo-Carrasco-Valencia, R. and Serna L.A. (2011) Quinoa (Chenopodium quinua, Willd). as a source of dietary fiber and other functional components". Ciencia e Tecnologia de Alimentos.
The sheep is one of the major domestic animal species for human meat protein, milk, and its wool is a source of industrial fiber.
According to sports nutritionist Leslie Bonci, MPH, RD, beans provide a "triple punch" because they are a vegetable, a protein and a great source of fiber.
