Sellers at Tesco are third party sellers we have invited to sell on Tesco direct. These are companies we’ve selected to provide you with a wider range of products to choose from in one place. They are a mixture of well-known high street retailers and specialist retailers who operate online. Plus, you earn Clubcard points on all seller orders.
Seller deliveries & returns
Delivery times and costs vary by seller - further details are shown on the product pages and at checkout.
If Click & Collect is available from a seller, it will also show on the product page and at checkout.
The delivery and return of seller items is managed by each seller. For further details, or if you have a question about the delivery or return of a seller product, please use the Seller directory to find the seller’s ‘help’ page.
"Glutamine is a non-essential amino acid that generates energy and helps increase strength, quicker recovery, and exercise endurance.115-117 Blood ammonia concentration increases during endurance exercise and has been proposed as a cause for both peripheral and central fatigue. In trials, glutamine supplementation reduced the accumulation of blood ammonia during prolonged, strenuous exercise in high-level athletes.118,119 As an immune booster, glutamine supplementation may prevent the negative effects of strenuous exercise on immune function. Moreover, glutamine supplementation has a protective effect in the DNA fragmentation, mitochondrial membrane depolarization and apoptosis, and in regulation of the inflammatory process and immune suppression, which are induced by a single session of exercise.120,121 Glutamine also plays an important role in maintaining functional integrity of the gut."