1 Independent Variable: It implies causality: the independent variable affects the dependent variable. 2  Used predominantly in ANOVA, but often in regression as well. 3  It can be either continuous or categorical. 4  Predictor Variable: It does not imply causality.
Collagen restoring herbs include a tree bark material known as eucommia and an herbal plant extract known as horsetail. Eucommia herbs come in topical and oral forms that are used as a long-term remedies for injuries involving the joints, according to the Yoga Journal, an online Yoga resource site.ollagen Strengtheners. The collagen materials contained in the bones and cartilage are made up of fiber-like strands that form a network. Herbs that strengthen the body's existing collagen materials work by increasing the number of strands that make-up collagen tissue.
Sources of Collagen. When it comes to collagen supplements the main sources include bovine (cow), porcine (pig) and marine (fish). Collagen sourced from fish is the most bioavailable. Marine-derived collagen is easily absorbed by the body and keeps skin wrinkle free.