Per capsule
The amount printed on the MemoClear panel for this ingredient.
Forty milligrams, the smallest entry on the panel. It is the raw material your body uses to build carnosine.
Beta alanine is an amino acid, though not one used to build protein. Its job is narrower: joined to histidine it forms carnosine, which is stored mainly in skeletal muscle and, in smaller amounts, in the brain.
Carnosine acts as a buffer. During hard effort muscle becomes more acidic, and carnosine soaks up some of that acidity, which is why beta alanine is a fixture in sports supplements. It also behaves as an antioxidant and binds metals, which is the angle brain formulas tend to take.
The supply of beta alanine, not histidine, is what limits how much carnosine the body can build. That is the whole reason it is sold on its own.
MemoClear declares beta alanine at 40 mg per capsule, no daily value established. It is the smallest of the seven entries.
At that amount there is none of the harmless pins-and-needles feeling that gram doses of beta alanine are known for, which is one reason it sits comfortably in a capsule taken every morning.
An ordinary meat-eating diet supplies beta alanine as part of carnosine and anserine in meat and fish. Vegetarians take in noticeably less, which is the group for whom a supplement is most often discussed.
Beef, pork, poultry and fish. It reaches you mostly as part of carnosine and anserine in meat rather than as free beta alanine, and vegetarians take in noticeably less.

Beta Alanine is declared as 40 mg per capsule, no daily value established. It is one of seven entries, and every one of them carries its own amount: there is no proprietary blend on this product. The full panel is on the supplement facts page.
The amount printed on the MemoClear panel for this ingredient.
No daily value established
Amino acid. The panel groups it with the other declared entries rather than inside a blend.
No. The tingling beta alanine is known for comes from gram-sized doses taken at once, and 40 mg is nowhere near that.
No. It is an amino acid and it has nothing in common with caffeine.
They take in less through food, since beta alanine reaches most people as part of carnosine in meat. Whether that means they need a supplement is a question for a dietitian rather than a website.

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