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What Is R-Alpha Lipoic Acid (R-ALA)? R-alpha lipoic acid (R-ALA) is a form of alpha lipoic acid (ALA) that is more biologically active and absorbs ...

What Is Raspberry Extract? Raspberry Extract is made from dried raspberries (Rubus idaeus L.), an edible berry that is found throughout the world....

What Are Raspberry Ketones Supplements? Raspberry ketones supplements contain phenolic compounds that give raspberries their deep red pigment. Rasp...

What Is Raspberry Powder? Raspberry powder is made from dried raspberries, an edible berry that is found throughout the world. Raspberries contain ...

What is Red Clover Extract (Trifolium pratense)? Red clover extract (Trifolium pratense) is taken from an herbaceous flowering perennial that is na...

What Is Red Yeast Rice Extract (Monascus purpureus)? Red yeast rice extract (Monascus purpureus) is from fermented rice that acquires its reddish h...

What Is Rehmannia Root Extract? Rehmannia root extract comes from a flowering plant that is native to China. It has been used for thousands of year...

What Is Reishi Mushroom Extract? Reishi Mushroom (Lingzhi) is a polypore with a red, shiny, kidney-shaped cap. Reishi does not have gills on its un...

What Is Resveratrol? Resveratrol, also known as trans-resveratrol, is a stilbenoid polyphenol and phytoalexin that is produced in several plants, i...

What is Rhodiola rosea Extract (3% Rosavin)? Rhodiola rosea extract comes from an Arctic plant, also known as Golden Root and Rose Root. Rhodiola r...

What Is Rhodiola rosea? Rhodiola rosea, also known as Golden Root and Rose Root, is an Arctic plant that has been used for centuries for its purpor...

What is Riboflavin (Vitamin B2)? Riboflavin (vitamin B2) is an important B vitamin that is used in the metabolic process. Riboflavin (Vitamin B2) B...

What Is Rice Protein Powder? Rice Protein Powder is a vegan and vegetarian protein option that may aid with building and repairing muscle after str...

What Is Rosehip (Rosa centifolia) Extract? Rosehip (Rosa centifolia) extract is taken from the fruit of the rose plant. Rosehips are typically oran...

What Is Rosemary Extract (Rosmarinus officinalis)? Rosemary extract (Rosmarinus officinalis) comes from a woody, perennial herb with evergreen, nee...

What Is Royal Jelly Powder? Royal jelly powder is taken from a milky substance (royal jelly) made by worker bees that is used to feed drones and la...

What Are Rutin Supplements? Rutin supplements contain a powerful antioxidant (rutin) known as a flavonol found in many plants and citrus fruits. Ru...