Alpha hydroxyl acid is found in fruit and milk sugars. Also known as AHA, alpha hydroxyl acid is an ingredient in specifically made lotions, creams, toners and gels used to return moisture to the skin while increasing collagen production and...
Adequate functioning of the liver is important for proper metabolism of vitamin D. The liver's job is to hydroxylate vitamin D. It is therefore not surprising to discover that several diseases which affect the liver also affect vitamin D...
Vitamin D is a fat-soluble vitamin that can be absorbed from foods and also synthesized in the skin. Vitamin D is synthesized from ultraviolet-B radiation, originating from sunlight. While many vitamins and minerals require enzymes to be absorbed,...
When it comes to vitamins, like dissolves like, meaning water-soluble vitamins dissolve in water and fat-soluble vitamins need fat for absorption. Vitamin D is one of several types of fat-soluble vitamins that digest with the help of fat in your...
Knowing how commonly used drugs affect different systems in the body helps you make choices regarding your health. Liver enzymes are affected by most drugs, including Valium. This is not as negative as it sounds because if these enzymes were not...
Molybdenum is required by the body to maintain good health and metabolize essential enzymes. For the majority of people, food is the main source of the mineral, according to the American Cancer Institute. According to the University of Michigan...
Vitamin D is a very important vitamin and hormone that has several functions in the body, including promoting bone health and cell growth. Before it can be utilized by the body, vitamin D obtained from diet and sunlight must undergo two...
Vitamin D is a critical fat-soluble vitamin required for healthy bones and immune function. People with an increased risk of vitamin D deficiency, such as the elderly, may need to take vitamin D supplements to maintain proper health. Because...
Vitamin D is a type of fat-soluble vitamin that is stored in your body. In its initial state, vitamin D is inactive, so it must go through a series of conversions in order to activate. Very few foods naturally provide vitamin D, so if you are...
Many people feel less healthy during winter months, not just because the weather is cold but also because the days are shorter. Shorter days provide less sunlight. Being in the sun means more than just recreation, however. The sun also provides...
Vitamin D is a group of fat-soluble vitamins, the two main forms of which are vitamin D2 and vitamin D3. The former is formed by ultraviolet irradiation of ergosterol in plants while the latter is derived similarly by the action of ultraviolet...
Vitamin D-3 is one of the two forms of vitamin D, the other being vitamin D-2. Neither is a merely a vitamin but both instead are prohormones because your body converts them to hormones. Vitamins are substances necessary for daily living, but...
Collagen fibers are the building blocks for the skin, cartilages, bones, ligaments, tendons, arterial walls and connective tissues. They are made from smaller units known as collagen molecules that crosslink to form the fibers. As collagen fibers...
Collagen is a major component of connective tissue in your body. Collagen-based tissues provide support, strength, tissue development and elasticity to your skin. Reduced collagen amounts in your body can occur due to nutritional deficiencies or...
An understanding of exercise physiology can be useful for athletes in adapting their training regiments to maximize muscle function during competition. Changes in muscle physiology and red blood cell volume occur in a predictable manner in...
The neurotransmitters dopamine and serotonin act as chemical messengers that relay nerve signals through the brain. Released from one nerve ending, these chemicals pass through a small space called a synapse and bind to specialized receptors on...
Vitamin D supplements come in two forms: vitamin D2 and vitamin D3, which are generally listed on the ingredient list of the supplement label. The natural form the body uses is vitamin D3, which is produced in the skin from a form of cholesterol...
The most frequently discussed vitamin supplements for healthy skin include vitamins A, C and E. Scientific investigation into their benefits focuses on their potential to alleviate sun damage and prevent skin cancer. Dietary supplement...
The decreased atmospheric pressure at high altitudes reduces the oxygen pressure gradient between your lungs and your blood, making it difficult to absorb enough oxygen to support cellular aerobic respiration. Under these conditions, your tissues...
Collagen is the most abundant protein in the animal kingdom and is the major component of the connective tissue and extracellular matrix of the human body. The collagen based tissues provide strength and support to body structures and help with...
Alpha glucose is a specific isomer of glucose. Glucose can exist in a variety of different molecular shapes, each one having unique properties. Some shapes occur naturally, others are the products of synthetic laboratory reactions. The different...
The word "estrogen" describes a collection of female hormones that are made by the ovaries in pre-menopausal women. According to a study published in the 2001 issue of "Applied Nutritional Science Reports," estradiol serves as the most potent...
Glucose is a six-carbon sugar, also known as a monosaccharide. It is essential for a variety of chemical reactions. Plants create glucose in the process of photosynthesis, and humans use glucose to create cellular energy.
A triglyceride is the most common form of fat in foods and in the body. Triglycerides are needed for good health and they are a rich energy source, as they provide more than twice as much energy for the body as carbohydrates and protein. However,...
Mannose and galactose are sugars. Mannose is found in apples, pears, oranges and cranberries. Galactose is found in sugar beets and is made by the body. In addition, when combined with glucose, galactose forms lactose, the sugar found in milk....
Vitamin D describes a group of fat-soluble steroids. Vitamins D2 and D3 can be converted to the active steroid hormone in the human body, although vitamin D3 is more efficiently converted than D2. The active form of vitamin D is hydroxylated in...
Triglycerides, or triacylglycerols, are the fats in the food you eat and in your body, both in adipose tissue and in your blood. Each triglyceride molecule is made up of one glycerol molecule with three fatty acids attached to it. The chemical...
Vitamin D is a hormone-like vitamin essential for strong bones, healthy immunity and balanced mood. When you consume dietary vitamin D or produce it within your skin in response to sunlight, it needs activation by your liver to become biologically...
Functional groups are portions of an organic molecule that give the compound its characteristics. The groups can be polar or non-polar, meaning they either contain distinct positively charged and negatively charged poles, or they are neutral with...
Reasons for getting a chemical peel: Free skin care videos - Learn about receiving a chemical peel. Watch the step-by-step process and decide if this spa beauty procedure is right for your type of skin problem or condition.