Unroasted cocoa mass with intact nutritional profile. Rich in flavanols, magnesium, theobromine, and anandamide ("bliss molecule").

The body's most common mineral 2D 99% is in the bones. Essential for bone health, muscle contraction, and nerve impulses.

Kalium – definition and facts in our glossary. Most Swedes get too little potassium from their diet.

Kamomill – definition and facts in our glossary. One of the world's most widely used medicinal plants.

Kanel – definition and facts in our glossary. Distinguish between Ceylon (true) and Cassia (common) cinnamon.

Two most common supplement forms with different characteristics. Capsules dissolve faster and accommodate more forms, tablets are cheaper and more compact.

Carnosine is a dipeptide of beta-alanine and L-histidine that occurs naturally in skeletal muscle and brain tissue. The level in muscle is mainly controlled by the availability of beta-alanine, which is why beta-alanine and not carnosine is the common supplement in sports.

Slow-absorbing milk protein that forms a gel in the stomach and provides a steady flow of amino acids for 5–7 hours. Ideal as a night-time protein.

Casein is a slow protein from milk that forms a gel in the stomach and releases amino acids over 6338 hours. Perfect as a night protein.

Kava Kava (Piper methysticum) has a potent anxiolytic effect comparable to benzodiazepines without addictive properties.

Keratin – definition and facts in our glossary. Structural protein that constitutes the main component of hair, nails, and the outermost skin layer.

The ketogenic diet (keto) is a low-carbohydrate, high-fat diet that forces the body to use fat instead of glucose as its primary energy source.

Koffein – definition and facts in our glossary. The world's most consumed stimulant.

Cholesterol is a fat-like substance the body needs for cell membranes, hormones, and bile salts. LDL ("bad") and HDL ("good") cholesterol have different roles.

Collagen is the body's most common protein and constitutes about 30% of all protein. It provides structure to skin, tendons, cartilage, bones, and blood vessels. The body's collagen production decreases with age.

Most common collagen type 2D constitutes 90% of the body's collagen. Found in skin, bones, tendons, and ligaments.

Kollagen typ II – definition and facts in our glossary. Main component of cartilage.

Found in skin, blood vessels, and internal organs. Often combined with Type I in supplements. Important for vascular health.

Kollagenprotein – definition and facts in our glossary. Collagen is the body's most common protein and naturally decreases with age.

Kolostrum – definition and facts in our glossary. Bovine "first milk" rich in immunoglobulins (IgG), growth factors, and lactoferrin.

Glycosaminoglycan that makes up a large part of cartilage structure. Binds water in cartilage and provides cushioning.

Trace mineral needed for iron metabolism, connective tissue, and antioxidant enzymes. Balance with zinc is important.

Juice from young barley plants, even more nutrient-dense than wheatgrass. Rich in SOD enzyme, vitamins, and minerals.

Creatine is a natural substance stored in muscles and used as a rapid energy source during intense physical activity. The most studied and proven sports supplement for strength and muscle building.

Kreatin-monohydrat – definition and facts in our glossary. The most studied and effective performance-enhancing supplement.

Marine omega-3 source with EPA and DHA in phospholipid form. Better absorption and includes astaxanthin.

Krom – definition and facts in our glossary. Krom – definition and facts in our glossary.

Clove (Syzygium aromaticum) has potent antimicrobial properties thanks to eugenol. Used for oral health and digestion.

Kväveoxid – definition and facts in our glossary. Nitric oxide (NO) is a signalling molecule that dilates blood vessels.