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by Kunal K March 03, 2024 2 min read
Human Milk Oligosaccharides (HMOs) are a class of prebiotics that feed and boost beneficial gut bacteria such as Bifidobacteria and Akkermansia that in turn produce beneficial short chain fatty acids (SCFAs).
Human Milk Oligosaccharides (HMOs) have been studied for their potential benefits to adult health, including their impact on gut health, immune function, cognitive functions, protection against pathogens, metabolic health, and anti-inflammatory effects.

Gut Health: Studies have shown that HMOs can beneficially impact the abundance of bifidobacteria in adults, potentially improving gut barrier function and overall gastrointestinal health. [1]
Immune Support: Research suggests that HMOs may support the immune system by functioning as prebiotics, which has a bifidogenic effect on the gut microbiota. This, in turn, could lead to the prevention of various allergies and possibly reduce the severity of infections. [2]
Cognitive Functions: The consumption of HMOs might play a role in brain health and cognitive functions through the gut-brain axis. This is suggested by the bifidogenic activity of HMOs and their capacity to modulate immune function and the gut barrier. [3]
Protection Against Pathogens: HMOs are shown to inhibit the adhesion of pathogens to the gut lining, thus potentially reducing the infectivity of human rotaviruses and the risk of gastrointestinal infections. [4]
Metabolic Health: The modulation of gut microbiota by HMOs may have downstream effects on metabolism and could support weight management, although specific studies in this area were not highlighted in the current search results.
Anti-inflammatory Effects: Some studies suggest that HMOs have anti-inflammatory effects, which could have systemic benefits. However, specific papers detailing these effects in adults were not identified in the search results.
The current research supports the potential of HMOs to provide various health benefits in adults, particularly in gut health, immune support, and protection against pathogens.
LayerOrigin® is a scientist-led brand that specialises in Human Milk Oligosaccharides (HMOs).
1. Iribarren et al., 2020
https://consensus.app/papers/mechanisms-underlying-effects-oligosaccharides-jeurink/395c050f92c050d6977134704770f911/
2. Jeurink et al., 2013
https://consensus.app/papers/mechanisms-underlying-effects-oligosaccharides-jeurink/395c050f92c050d6977134704770f911/
3. Šuligoj et al., 2020
https://consensus.app/papers/effects-human-milk-oligosaccharides-adult-microbiota-%C5%A1uligoj/d1555f44e8cf5ab8b7c195646c037e2b/
4. Laucirica et al., 2017
https://consensus.app/papers/milk-oligosaccharides-inhibit-human-rotavirus-laucirica/2d5c8e5129ff598e8b7ff981264129c5/
by Kunal K November 18, 2025 3 min read
In this edition of Biohacking Weekly:
1. The nutrigenomics effect
2. Dr. Peter Attia on your body’s “engine size”
3. The microbiome shortcut to ending constipation
4. How bright nights turn into heart trouble
5. Gluten sensitivity isn't about gluten
by Kunal K November 14, 2025 3 min read
In this edition of Biohacking Weekly:
1. Why your vitamin D might still be low
2. Heart-health gap between men and women
3. How music may guard against dementia
4. 10+ reasons not to toss your pumpkin seeds this Halloween
5. The little-known “spring asthenia”
by Kunal K November 12, 2025 4 min read
In this edition of Biohacking Weekly:
1. Protein quality over quantity
2. Can food mimic ozempic?
3. The silent sleep stealer
4. Keto may guard against Alzheimer’s
5. Diet that brings psoriasis relief
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