Tag: Supplement sources

The human body naturally synthesizes L-carnitine from the amino acids lysine and methionine, but it can also be obtained through diet and supplements. Unlike botanical extracts, L-carnitine is not directly extracted from a single plant but originates from animal products or is produced synthetically and through microbial fermentation for commercial use.

Type II collagen is the main structural protein found in cartilage, providing tensile strength and elasticity to our joints. While our bodies produce it naturally, production declines with age, leading many to seek external sources to support joint health.

Up to 80% of the protein in cow's milk is casein, which is used to make certain protein powders. The answer to the question, "Does protein powder come from cows?" is therefore dependent on the specific type of protein being used, as not all popular supplements are dairy-based.

While our bodies naturally synthesize vitamin D3 from sunlight, the vast majority of supplements on the market are not a direct-from-nature product. The truth behind whether D3 is natural or synthetic is more nuanced than many consumers realize, depending heavily on the source material.