this post was submitted on 18 Mar 2025
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How much of this stuff is bad for you? (feddit.uk)
submitted 15 hours ago by tetris11@feddit.uk to c/casualuk@feddit.uk
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I'm on 2 teaspoons a day.

Any studies out there about the negative effects of it?

Is Marmite poisoning a thing?

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[–] morgunkorn@discuss.tchncs.de 10 points 15 hours ago* (last edited 14 hours ago) (3 children)

There are 2 components in Marmite that are present in really high concentrations that can eventually pose problems, the worst offender being salt.

Per the American Heart Association: https://www.heart.org/en/healthy-living/healthy-eating/eat-smart/sodium/how-much-sodium-should-i-eat-per-day

The recommended daily limit for sodium intake is less than 2,300 milligrams

Marmite contains 490mg of salt per 8g serving, which could be approximately a teaspoon, but you can measure that yourself. This would bring the limit to 4 to 5 teaspoons a day to stay below the recommended intake.

The other component is Mono-Sodium Glutamate, which can lead to "increase in oxidative stress which could lead to alterations in the cardiovascular and renal function", per the NIH https://pmc.ncbi.nlm.nih.gov/articles/PMC9563186/

[–] echodot@feddit.uk 4 points 5 hours ago

People get all bent out of shape about MSG. It's basically just fancy salt.

[–] krf@szmer.info 5 points 9 hours ago

According to the linked research, for an 80kg person, problematic amount of Marmite from the MSG contents standpoint would firmly sit around 1,4kg daily consumption, in which case you will be also ingesting definitely lethal 140g of salt, and even worse, more than 11 standard size jars of Marmite.

[–] DJDarren@thelemmy.club 14 points 14 hours ago (1 children)

What would Americans know of the dangers of Marmite? I'm sure the British Heart Foundation have said that Marmite is perfectly safe at any amount. I'd provide facts, but I don't need to.

[–] morgunkorn@discuss.tchncs.de 9 points 14 hours ago (1 children)

Good point, the LD50 of Marmite for non-UK people is 1mg

[–] echodot@feddit.uk 2 points 5 hours ago

Half that if you're an overdramatic YouTuber.