Common sources include psyllium husk, whole-grain oats, and seed blends such as chia, flax, and hemp.
Fiber per serving varies across products. In the selection provided, examples include about 3 g for a seed serving, 5 g per serving for some items, 9 g for certain bars or smoothies, and 10 g listed for chia; some products also cite fiber as ~21%–30% of the daily value.
Calorie counts in the selection range from low to moderate: about 70 calories for some small brownie-style bars, around 100 calories for thinner fiber snacks, roughly 140 calories for a smoothie, and about 150 calories for some chewy bars.
Some products also provide omega-3s (from seeds), essential amino acids, and calcium. Seed blends often list omega-3 amounts and amino acid content, and certain bars are noted as good sources of calcium.