Secoisolariciresinol diglucoside is a lignan and phytonutrient that can fight free radicals, regulate estrogen levels and more. It can be sourced from various types of seeds with flaxseed being the best source. In this article I will be providing a full breakdown of secoisolariciresinol diglucoside and looking at its main health benefits.
1) DISCOVERY:
Awareness of the lignans dates back to the time of the ancient Egyptians where flaxseed was used as a food and medicine. However, they were not discovered until thousands of years later in 1956. Shortly after this discovery in the early 1980s scientists started to study secoisolariciresinol diglucoside.
2) HEALTH BENEFITS:
Secoisolariciresinol diglucoside is a potent antioxidant that protects your body's cells from dangerous free radicals (harmful by products that are released into your body's cells during oxygen related reactions). Additionally, it is a potent phytoestrogen (a substance that regulates estrogen levels in the body) which can prevent cancer (a disease that causes your body's cells to grow in a rapid, uncontrollable way), heart disease and osteoporosis (reduced bone mineral density).
Early evidence indicates that this lignan may also have a further role to play in human health. For starters it may prevent atherosclerosis (a condition where hard plaques cause blockages in your artery walls, restrict the flow of blood and ultimately increase your heart disease risk), diabetes (a disease where your blood glucose levels become dangerously high) and hyperlipidaemia (an abnormally high concentration of fats or lipids in the blood). It may also lower blood levels of low density lipoprotein (LDL) cholesterol (a type of cholesterol that blocks your arteries and increases your risk of heart disease), lower high blood pressure and boost your heart health (by protecting the heart from free radicals, lowering high blood pressure and reducing LDL cholesterol levels). However, more research is required before these benefits can be validated.
3) RECOMMENDED DAILY ALLOWANCE (RDA):
Secoisolariciresinol diglucoside does not have an official RDA but most sources suggest taking between 25 milligrams (mg) and 50mg of this lignan per day will allow you to enjoy all its benefits.
4) FOOD SOURCES:
Flaxseed is the richest source of secoisolariciresinol diglucoside and contains 166mg per 100 grams (g). Pumpkin seeds, sesame seeds and sunflower seeds are also good sources but the exact amounts they contain are not known.
5) OVERDOSE SYMPTOMS:
Currently there are no adverse effects associated with consuming high levels of secoisolariciresinol diglucoside. However, pregnant women and people suffering from cancer should speak to their doctor before consuming this lignan.
Tom Parker owns Free Fitness Tips - an excellent source of dietary and nutritional information. You can read up on secoisolariciresinol diglucoside and the other lignans by visiting Free Fitness Tips.
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