10 signs and symptoms of a lack of vitamin C

10 signs and symptoms of a lack of vitamin C

Vitamin C, also known as ascorbic acid, is a micronutrient naturally present in foods, especially citrus fruits, such as acerola or orange, for example. This vitamin is a powerful antioxidant that works to delay cellular aging, but also participates in the formation of collagen, intestinal iron absorption, norepinephrine synthesis and the conversion of cholesterol into […]

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Formaldehyde: what it is, what it is for, risks and signs of poisoning

Formaldehyde: what it is, what it is for, risks and signs of poisoning

Formaldehyde is a chemical substance with a strong smell that can cause allergies, irritation and intoxication when a person comes into contact with or inhales concentrations above those recommended by ANVISA. This substance is widely used in cosmetic products, mainly in hair straightening products and nail polish, however in 2009 ANVISA determined that formaldehyde could […]

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