Trans Fats: Understanding Natural vs. Synthetic for Optimal Health

This podcast episode delves into the often-misunderstood world of trans fats, beginning with a foundational explanation of fatty acid chemistry. It clarifies that while there are many dietary philosophies, the consensus is that white sugar and trans fats are detrimental. The discussion starts by detailing the structure of fatty acids, explaining how carbon chains, hydrogen bonds, and carboxyl groups form these molecules. It distinguishes between saturated fats, characterized by straight chains and single bonds, which pack tightly and are solid at room temperature, and unsaturated fats, which contain double bonds that typically cause a bend in the molecule, leading to a liquid state at room temperature.

The core of the episode focuses on the critical distinction between CIS and TRANS bonds. CIS bonds, found in most natural unsaturated fats, position hydrogens on the same side of a double bond, causing a bend. In contrast, trans fats feature hydrogens on opposite sides of a double bond, resulting in a straight molecule that, despite being unsaturated, behaves like a saturated fat—solid at room temperature. This property was exploited in food processing to create products like margarine from liquid oils and to extend shelf-life. The host emphasizes that most trans fats encountered in processed foods are man-made and synthetic, representing a significant chemical aberration.

A crucial nuance is introduced with Conjugated Linoleic Acid (CLA), a naturally occurring trans fat that is highly beneficial. CLA is produced by healthy gut flora, particularly bifida bacteria, and is also found in dairy and meat from grass-fed animals, which produce significantly more CLA than corn-fed counterparts. Research supports CLA's multiple health benefits, and it's even sold as a nutritional supplement. This highlights that not all trans fats are harmful; the key lies in their origin—natural versus synthetic.

The episode concludes by explaining the detrimental impact of man-made trans fats on human health. The body's enzymes are designed to process natural molecular combinations, not the synthetic structures of industrial trans fats. When these synthetic molecules infiltrate cell membranes, such as those in the brain and blood vessels, they disrupt normal function because the body doesn't recognize or know how to process them. This accumulation leads to cellular damage and confusion within the body's systems, underscoring the importance of avoiding these man-made compounds while embracing the beneficial natural forms of trans fats.

"white sugar is really bad and trans fats are really bad."

"a fatty acid is a chain of carbons linked together"

"if it's a straight chain where every carbon is only bound by a single bond to every other carbon it makes a straight chain and there's hydrogen's plugged in on every position and that's called a saturated fatty acid"

"wherever it makes a double bond it puts both the hydrogen's on the same side so they take up space on this side and there is less stuff on the inside which makes this molecule bend"

"if the hydrogens are on the same side this is called a CIS bond"

"there is a strange animal where the hydrogen's end up on opposite sides and that's called a trans fat"

"most of the time these are man-made they're synthetic there is one unique case in nature and it's called a conjugated linoleic acid"

"everyone agrees that this is one of the worst abominations of chemistry that we have ever produced"

"Nature has provided us with enzymes through the generations for every conceivable combination except the man-made ones"

"when these find their ways into your membranes then they disrupt the function your brain cell membranes your blood vessel cell membranes their impulse they don't act chemically they look one way and act another so your body gets really confused"

"man-made trans fats are terrible trans fats in nature are very beneficial for us"

"a grass-fed cow will make up to five times more CLA than a corn-fed cow"