Vitamina C – Inmunidad, Energía y Protección Antioxidante
Vitamin C: powerful antioxidant to strengthen immunity, support collagen synthesis and protect cells from oxidative stress.
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€11,90
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Muscle Power Vitamin C 1000mg
€11,90
La vitamina C es un cofactor. Enzimático implicado en un determinado número de reacciones fisiológicas ( hidroxilación ). Es necesario en la síntesis de colágeno y glóbulos rojos y contribuye al sistema inmunológico . También juega un papel en el metabolismo del hierro como promotor de su absorción.
Los músculos esqueléticos responden rápidamente a la ingesta de vitamina C, pero también la pierden rápidamente si la ingesta de vitamina es insuficiente.
Questions fréquentes
Retrouvez les réponses aux questions les plus courantes avant votre achat.
Does supplemental vitamin C really improve athletes' immunity, or is that a myth?
Vitamin C and athletes' immunity: the evidence is nuanced. In people with sufficient dietary intake (>200mg/day via fruits and vegetables), additional supplementation does not significantly reduce the incidence of colds. However, Hemilä & Chalker (Cochrane, 2013) show that in endurance athletes (marathon, Nordic skiing, soldiers), vitamin C supplementation reduces the incidence of upper respiratory tract infections by 50%. Athletes training intensively experience post-exercise immunosuppression (an open window of 3-72h); vitamin C plays a role in reducing this vulnerability. Recommended dose for intensive athletes: 500-1000mg/day.
What is the best form of vitamin C to choose between ascorbic acid, calcium ascorbate, and liposomal?
The different forms of vitamin C have distinct advantages. Ascorbic acid: the most studied form and the reference, excellent value for money, can irritate the stomach at high doses (≥1g). Calcium or magnesium ascorbate: buffered form, better tolerated on an empty stomach, with additional mineral intake. Liposomal vitamin C: encapsulated in liposomes, better absorption at high doses (>1g) since it bypasses the saturation of intestinal transporters, but 5-10x higher cost. For standard daily use (500mg): ascorbic acid or ascorbate is sufficient. For therapeutic doses (1-3g/day) or sensitive stomachs: buffered ascorbate or liposomal.