Coffee, the big debate

Every day I see someone ask if it's ok to drink coffee if you're following a carnivore diet. The answer will always be, "if you enjoy it, it doesn't adversely affect you, and you are still seeing positive effects from the diet, then go for it.".

Here's something I've heard mentioned in dark corners but wasn't able to find any hard info on until recently.

Coffee has been linked to increasing levels of triglycerides in humans.

Here is a list of studies and articles I've found that show evidence that less filtered and or high quantities of coffee can raise triglycerides.

The effect of coffee consumption on serum lipids: a meta-analysis of randomized controlled trials.

Cafestol, the Cholesterol-Raising Factor in Boiled Coffee, Suppresses Bile Acid Synthesis by Downregulation of Cholesterol 7α-Hydroxylase and Sterol 27-Hydroxylase in Rat Hepatocytes

Effect of a coffee lipid (cafestol) on cholesterol metabolism in human skin fibroblasts

There is a compound in coffee called CAFESTOL.

Cafestol basically restricts certain receptors in the intestines that are part of the cholesterol regulation system of the body. This inhibits the management of cholesterol production and an increase in cholesterol is the result.

Points of note:
1. Unfiltered coffee seems to be the highest risk and was the primary actor in studies. 
2. I couldn't find anything that gives a specific amount of cafestol that is considered "healthy", or "unhealthy".
3. Because there are no quantities referenced that I can get equivalents for filtered vs. unfiltered, I have no recommendation on how much filtered coffee would or would not be acceptable. 

Basically, if you have an issue getting your triglycerides down, and you drink coffee, it might be a good idea to stop for a while and see what happens.


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