What is accurate?
Bananas do change as they ripen. Starches are gradually converted into simpler sugars, making ripe bananas sweeter and easier to digest.
Less-ripe bananas contain more resistant starch, which can act somewhat like fiber and support gut bacteria.
Ripe bananas are easier to digest because much of that resistant starch has been broken down into sugars.
Bananas provide nutrients such as potassium, magnesium, and vitamin B6, which are important for overall health.
What about eating bananas at night?
The headline suggests that doctors have revealed some dramatic consequence of eating bananas at night, but the evidence doesn’t support a major warning.
Research suggests bananas may actually be a reasonable bedtime snack for many people because they contain:
Magnesium
Potassium
Tryptophan (an amino acid involved in serotonin and melatonin production)
These nutrients may support relaxation and sleep, although studies have not directly proven that eating a banana before bed significantly improves sleep.
For some individuals, eating any food immediately before lying down can cause:
Bloating
Reflux/heartburn
General digestive discomfort
So the effect is highly individual.
The questionable claim: “Spotted bananas contain TNF”
This is the biggest red flag.
The article states that spotted bananas contain Tumor Necrosis Factor (TNF) and that this may help fight cancer. Fact-checkers and experts have repeatedly noted that this claim is misleading. TNF is a protein produced by animals, not something that naturally appears in bananas. The original research often cited does not show that eating ripe bananas provides TNF or prevents cancer.