Vitamin B12 or Cobalamin

Vitamin B12 or Cobalamin

If you're trying out a vegan diet, you're likely to be told to make sure you get enough vitamin B12. Ben Valsler asks what B12 does, where we get it from, and how can we be sure we're getting enough?

Episoder(627)

Ionic liquids: Chemistry in its element

Ionic liquids: Chemistry in its element

Liquid salts, ionic melts, fused salts, or ionic glasses – call them what you like, these much-hyped solvents show great promise. Katrina Krämer speaks to chemical engineer Jason Bara about ionic liqu...

20 Nov 202011min

Chlorhexidine: Chemistry in its element

Chlorhexidine: Chemistry in its element

An antimicrobial compound that kills bacteria and viruses quickly – found in some of the most colourful antiseptic solutions

13 Nov 20208min

Asparagusic acid: Chemistry in its element

Asparagusic acid: Chemistry in its element

Does asparagus give you foul-smelling urine? Helen Arney investigates asparagusic acid, and the lavatorial genetic lottery that controls whether or not you can smell its distinctive aroma

5 Nov 20207min

Glycyrrhizic acid: Chemistry in its element

Glycyrrhizic acid: Chemistry in its element

A sweet treat with a deadly trick for Halloween – glycyrrhizic acid, or glycyrrhizin, is found in black liquorice and sweeter than sucrose, but can cause heart problems and even prove fatal if consume...

30 Okt 20206min

Propofol: Chemistry in its element

Propofol: Chemistry in its element

Also known as 'milk of amnesia', propofol helps to prevent perception of pain in surgery – just don't forget its dangerous side

23 Okt 20206min

Sofosbuvir: Chemistry in its element

Sofosbuvir: Chemistry in its element

Hepatitis C drug sofosbuvir made waves when first launched – quicker to work and with fewer side effects than existing drugs, but it came with a hefty price tag

16 Okt 20206min

Bedaquiline: Chemistry in its element

Bedaquiline: Chemistry in its element

Meera Senthilingam makes a welcome return to the podcast with a drug that gives hope to the many sufferers of drug-resistant TB – still one of the world's biggest killers

9 Okt 20209min

Oxybenzone: Chemistry in its element

Oxybenzone: Chemistry in its element

This summer's extreme weather prompts Katrina Krämer to investigate the history of sunblock and the ingredient blamed by some for bleaching coral reefs

2 Okt 202012min

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