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What Is Fennel Extract? Fennel extract is from a flowering perennial herb (Foeniculum vulgare) in the carrot family that develops yellow flowers. I...

What Is Fenugreek Powder? Fenugreek powder (Trigonella foenum-fraecum) comes from an annual plant in the Fabaceae family that is used as a culinary...

What Is Ferrous Fumarate? Ferrous fumarate is an easy-to-digest form of iron that may help reduce stomach upset caused by taking other forms of iro...

What Is Ferrous Gluconate? Ferrous gluconate is a slower absorbing form of iron that may help reduce stomach upset caused by taking other forms of ...

What Is Tanecetum parthenium (Feverfew) Extract? Tanecetum parthenium (feverfew) extract is a lush, herbaceous perennial in the daisy family that i...

What Is Linum usitatissimum (Flaxseed)? Linum usitatissimum, also known as common flax or linseed, is a domesticated plant grown for use in food an...

What Is Inositol Hexanicotinate (Flush Free Niacin)? Inositol hexanicotinate (flush free niacin), also known as inositol nicotinate, is a form of v...

What Is Fo-Ti Root? Fo-ti root (Polygonum multiflorum or Fallopia multiflora) is a plant native to China, Japan, and Taiwan that has been used for ...

What Is Folic Acid Powder? Folic acid powder is a powdered, synthetic form of vitamin B9 (folate) that has higher rates of absorption than naturall...

What Is Fructose? Fructose is a simple sugar naturally found in plants and derived from sugar cane. It is commonly used as a sweetener in foods and...