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Beta-Alanine works better if you take it with meals

Health & Nutrition

Beta-Alanine works better if you take it with meals

Athletes will benefit more and faster from a beta-alanine supplement [structural formula shown here, above] if they take the amino acid during meals. Sports scientists at Ghent University in Belgium discovered that taking the supplement during a meal leads to a faster increase in carnosine [structural formula shown here, below] concentration in the muscles than when it’s taken between meals.

The dipeptide carnosine neutralises the acids that are formed in the muscles during intensive physical exercise. The more carnosine there is in your muscle cells, the longer you can continue your exertions for. And that’s interesting for athletes.

The body makes carnosine by attaching the amino acids histidine and beta-alanine to each other. The body has an ample supply of histidine, but not of beta-alanine. That’s why beta-alanine supplementation is a good strategy for jacking up the carnosine levels in the muscle cells.

Muscle cells absorb creatine and L-carnitine better if you ingest them with food. After a meal, the concentrations of glucose, insulin and amino acids in the blood all rise. Your muscle cells absorb the substances and activate anabolic processes. If this helps the uptake of creatine and L-carnitine, is the same true for beta-alanine? That’s the question the Belgians set out to answer with their human study.

For a period of 46 days the researchers gave three groups of test subjects 3.2 mg beta-alanine every day. One group took their beta-alanine on four occasions throughout the day, between meals [PBA]. Another took their beta-alanine on three occasions at mealtimes throughout the day [PBA+Meal]. A third group used a slow release supplement containing beta-alanine, and took it 30 minutes before a meal.

Before the supplementation started and at the end of the experimental period, the researchers measured the concentration of carnosine in the gastrocnemius and soleus muscles of the test subjects. Taking the beta-alanine during mealtimes led to a greater increase in the carnosine concentrations in the muscle. When the subjects took their beta-alanine between meals, the amount of carnosine in their muscles rose by 40 percent. When they took the amino acid during meals, the amount of carnosine rose by 57 percent.

The uptake of the slow release version of beta-alanine taken half an hour before a meal was the same as when ordinary beta-alanine was taken during the meal. The meaning of this in practical terms escapes us, but it’s nice to know.

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