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BiotiQuest® Gut Health &
Probiotics Blog with Martha Carlin

Why Immune Weakness Often Starts in the Gut

Martha Carlin | Apr 18, 2026 |

When we think about immunity, it’s natural to picture white blood cells or the body’s ability to “fight off” invaders. But if we pause for a moment and look deeper,...

Why Immune Weakness Often Starts in the Gut

Martha Carlin | Apr 18, 2026 |

When we think about immunity, it’s natural to picture white blood cells or the body’s ability to “fight off” invaders. But if we pause for a moment and look deeper, we begin to see a more nuanced story unfolding, one...

Martha Carlin | Apr 15, 2026 |

A Simpler, More Flexible Way to Use Your BioBucks We’ve made an important update to Quest Rewards—shaped directly by what we’ve heard from you. Many of you shared a...

Changes to Quest Rewards

Martha Carlin | Apr 15, 2026 |

A Simpler, More Flexible Way to Use Your BioBucks We’ve made an important update to Quest Rewards—shaped directly by what we’ve heard from you. Many of you shared a common frustration: earning rewards felt good, but using them wasn’t...

Is Your Gut Eating Your Brain Power?

Martha Carlin | Apr 15, 2026 | podcast

Have you ever wondered why some people stay sharp and active into their 90s, while others struggle with "brain fog" or neurological decline in their 50s?

Is Your Gut Eating Your Brain Power?

Martha Carlin | Apr 15, 2026 | podcast

Have you ever wondered why some people stay sharp and active into their 90s, while others struggle with "brain fog" or neurological decline in their 50s?

podcast

Probiotics and the Regulation of the Stress Res...

Martha Carlin | Apr 02, 2026 |

Stress signals from the brain can influence digestion, immune activity, and microbial balance. But just as importantly, the microbiome sends signals back to the brain, influencing neurotransmitters, inflammatory pathways, and...

Probiotics and the Regulation of the Stress Res...

Martha Carlin | Apr 02, 2026 |

Rethinking Your Gut: Why Your Microbiome is the...

Martha Carlin | Mar 21, 2026 | podcast

In the latest episode of the The Better Guts Podcast, host Lyndall Griparic sat down with a woman who is quite literally rewriting the rulebook on human health. Martha Carlin,...

Rethinking Your Gut: Why Your Microbiome is the...

Martha Carlin | Mar 21, 2026 | podcast

In the latest episode of the The Better Guts Podcast, host Lyndall Griparic sat down with a woman who is quite literally rewriting the rulebook on human health. Martha Carlin, the founder and CEO of BiotiQuest, isn't your typical supplement...

podcast

Reclaiming Your Vitality: Martha Carlin on the ...

Martha Carlin | Mar 16, 2026 | podcast

In a compelling conversation on the Healthy Aging Podcast with Jennifer Jefferies, Martha Carlin, Founder and CEO of BiotiQuest®, reframes our understanding of longevity. Martha’s journey—driven by a deep systems-based...

Reclaiming Your Vitality: Martha Carlin on the ...

Martha Carlin | Mar 16, 2026 | podcast

podcast

The Martha's Favorite Posts

Waking Up to a Probiotic Breakfast Can Do Wonders for Your Gut Health

Martha Carlin | Aug 03, 2022 | 5 minutes read

Did you know that recent studies show people with poor gut diversity had lower quality of life? The health of your microbiome impacts your mental health, sleep, energy, the risk for chronic illnesses, and much more. A probiotic breakfast can...

gut immunity

Can Probiotic Supplements Make or Break Your Fast?

Martha Carlin | Dec 14, 2022 | 5 minutes read

Intermittent fasting (IF) may have started as a fitness trend for weight loss, but today it's a go-to lifestyle choice for many. Practicing intermittent fasting has been linked with health benefits such as lowering blood sugar and insulin, preventing heart...

gut immunity

EVENTS

Martha will be presenting at the following events. Register to attend virtually or if you can't join watch for a post on Martha's blog or check out our youTube Channel.