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Illustration: l'acide alpha-lipoïque dans les compléments alimentaires

Ingredient information: Alpha-lipoic acid in food supplements

Written by the Phytocea team Reviewed by Phytocea Scientific Advisory Board Editorial credit: Dr. Arnaud BERNARD
2 min
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Formerly considered a vitamin, alpha-lipoic acid is an antioxidant used in some dietary supplements. What is its purpose? Is it effective? What are its uses?

What is alpha-lipoic acid?

Alpha-lipoic acid or thioctic acid is a ubiquitous sulfur acid in the body, naturally produced by the body and necessary for energy production.

What are the benefits of alpha-lipoic acid?

The body is capable of producing alpha-lipoic acid itself, so it is not strictly speaking an essential substance. However, in certain pathological conditions and with age, its production decreases.

Alpha-lipoic acid contributes to energy supply

It is a cofactor in particular of pyruvate dehydrogenase, an enzyme that allows the production of energy from glucose (more precisely it is an enzyme at the interface between glycolysis and the Krebs cycle).

Alpha-lipoic acid is an antioxidant

The mechanism of action of alpha-lipoic acid is still poorly understood. It has an antioxidant effect but may also allow for a specific response of the body to oxidizing substances.

Other effects of alpha-lipoic acid

Alpha-lipoic acid has been shown to exert an anti-inflammatory effect and lead to a decrease in markers of inflammation.

Clinical studies have shown that supplementation with alpha-lipoic acid is likely to slow cognitive decline in patients with Alzheimer's disease.

Alpha-lipoic acid is also believed to have the ability to participate in protection against cardiovascular diseases linked to oxidative stress.

Where can I find alpha-lipoic acid?

Alpha-lipoic acid can be found in small quantities in food, particularly in:

  • potatoes

  • spinach

  • tomatoes

  • broccoli

  • Brussels sprouts

It is also found in some dietary supplements.

What are the health claims of alpha-lipoic acid?

There are no health claims validated by the EFSA for alpha-lipoic acid. However, it is used in some medications.

What are the precautions for use and the side effects of alpha-lipoic acid?

As with all food supplements, food supplements containing alpha-lipoic acid should only be consumed by pregnant or breastfeeding women after medical advice.

Alpha-lipoic acid in Phytocea food supplements

At Phytocea we have chosen to incorporate alpha-lipoic acid into the ReMind formula.

ReMind is a dietary supplement designed to support memory and cognitive abilities. ReMind is a nootropic stack containing vitamins, magnesium, physiologically relevant substances (Phosphatidylserine, Alpha Lipoic Acid), and high-quality standardized plant extracts: Bacopa Monnieri and Ginkgo Biloba.

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Alpha-lipoic acid and science

Gorąca A, Huk-Kolega H, Piechota A, Kleniewska P, Ciejka E, Skibska B. Lipoic acid - biological activity and therapeutic potential. Pharmacol Rep. 2011;63(4):849-58.

Akbari M, Ostadmohammadi V, Lankarani KB, Tabrizi R, Kolahdooz F, Khatibi SR, Asemi Z. The effects of alpha-lipoic acid supplementation on glucose control and lipid profiles among patients with metabolic diseases: A systematic review and meta-analysis of randomized controlled trials. Metabolism. 2018 Oct;87:56-69. doi: 10.1016/j.metabol.2018.07.002 .

Skibska B, Goraca A. The protective effect of lipoic acid on selected cardiovascular diseases caused by age-related oxidative stress. Oxid Med Cell Longev. 2015;2015:313021. doi:10.1155/2015/313021.

Fava A, Pirritano D, Plastino M, Cristiano D, Puccio G, Colica C, Ermio C, De Bartolo M, Mauro G, Bosco D. The Effect of Lipoic Acid Therapy on Cognitive Functioning in Patients with Alzheimer's Disease. J Neurodegener Dis. 2013;2013:454253. doi:10.1155/2013/454253.

Saboori S, Falahi E, Eslampour E, Zeinali Khosroshahi M, Yousefi Rad E. Effects of alpha-lipoic acid supplementation on C-reactive protein level: A systematic review and meta-analysis of randomized controlled clinical trials. Nutr Metab Cardiovasc Dis. 2018 Aug;28(8):779-786. doi: 10.1016/j.numecd.2018.04.003.

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FAQ

L'acide alpha-lipoïque est généralement considéré comme sûr pour la plupart des gens. Cependant, il est conseillé de consulter un professionnel de santé avant de commencer toute supplémentation, surtout pour les personnes ayant des conditions médicales préexistantes ou qui prennent d'autres médicaments.

Bien que l'acide alpha-lipoïque ne soit pas considéré comme essentiel, une production insuffisante peut être associée à des symptômes tels que la fatigue, des troubles neurologiques ou une baisse de l'immunité. Cependant, des études plus approfondies sont nécessaires pour établir des signes clairs de carence.

Pour intégrer l'acide alpha-lipoïque dans votre alimentation, vous pouvez consommer des aliments comme les épinards, les tomates et les brocolis. En outre, des suppléments peuvent être envisagés, mais il est recommandé de consulter un professionnel de santé pour déterminer la dose appropriée.

Oui, l'acide alpha-lipoïque peut interagir avec certains médicaments, notamment ceux utilisés pour le diabète et des anticoagulants. Il est essentiel de discuter avec votre médecin de toute prise de suppléments pour éviter des interactions indésirables.

Les effets de l'acide alpha-lipoïque peuvent varier d'une personne à l'autre. Certaines études suggèrent que des résultats notables peuvent être observés après quelques semaines de supplémentation régulière, mais cela dépend de la condition traitée et de la dose prise.

Les femmes enceintes ou allaitantes et les personnes ayant des maladies hépatiques ou rénales doivent faire preuve de prudence. Il est toujours préférable de consulter un professionnel de santé avant de commencer toute supplémentation.

Oui, l'acide alpha-lipoïque peut être combiné avec d'autres antioxydants comme la vitamine C et la vitamine E pour un effet synergique potentiel. Cependant, il est conseillé de consulter un expert en nutrition avant de mélanger différents suppléments.