Gut & Brain Health

If your mind feels foggy, wired, or stuck in a loop, the answer may start in your gut, not your head.

Anxiety that won’t settle. Brain fog that doesn’t lift with sleep. Racing thoughts at 2am. These symptoms are often treated as purely mental or purely stress-related, but the gut and the brain are in constant conversation, carried largely by the vagus nerve, with the majority of that signaling traveling from the gut up to the brain rather than the other way around.

That same pathway also moves neurotransmitters, many of which are produced in the gut with the help of gut microbes and the right amino acid building blocks. When the gut is out of balance, the brain feels it. When the gut is supported, the brain often responds.

This is the foundation of Gut & Brain Health as a specialty in Kristi’s practice: treating the physiology first, so the nervous system has what it needs to settle, the hormones balance, homeostasis stabilizes, and the brain has what it needs to heal.

Why the Gut Comes First

Gut dysfunction is one of the most common contributors to brain inflammation, and once that inflammation starts, it does not resolve on its own easily. This matters because an inflamed brain struggles to regulate mood, focus, and sleep, and the body has a harder time healing overall when it isn’t well nourished at the level of both brain chemistry and gut function.

Healing happens in the parasympathetic nervous system, the body’s rest-and-digest state, not in the sympathetic fight-or-flight state most people spend their days in. The goal isn’t to live permanently in a parasympathetic state, but to return to it multiple times throughout the day. Gut-healing nutrition, herbal medicine, and acupuncture all support that shift. Gut-healing nutrition and targeted amino acid supplementation in particular can act as an accelerant to the rest of the healing process, and when the brain is functioning more efficiently, the body’s innate communication system will too.

The Amino Acid Connection

Neurotransmitters like serotonin, GABA, and the catecholamines are built from amino acids, largely through the work of gut microbes. When the right amino acid precursors are available, and when the gut environment is diverse and well-fed with fermented foods and a wide range of vegetables, the body is better equipped to produce what it needs for mood, energy, and mental clarity on its own.

Kristi offers online consultations for herbal medicine, supplements, and amino acid support, so this piece of the work is available to patients whether they’re local to the Santa Ynez Valley or connecting from further afield.

This is not peptide therapy. Amino acids are the building blocks of proteins and peptides, and supplementing with them supports the body’s own production process rather than introducing peptides directly.

Continuing care through telehealth makes it easy to stay consistent with this piece of the work, checking in and adjusting your protocol from the comfort of home rather than needing a clinic visit for every step.

Acupuncture, FSM, Herbal Medicine & Supplements

Traditional Chinese Medicine has long treated the digestive system as central to overall health, and Kristi’s approach draws on that foundation directly. Acupuncture supports the shift into a parasympathetic state and helps regulate the nervous system signaling that runs along the gut-brain axis. Herbal medicine, matched to each patient’s specific pattern, is often the piece that makes a treatment plan work, particularly for complaints that haven’t resolved with other approaches. Supplements, particularly targeted amino acids, are often layered in alongside herbal formulas to support this work.

For established patients, Frequency Specific Microcurrent can also be incorporated to support nervous system regulation and reduce inflammation as part of a broader treatment plan. Blood follows energy. The pulse in our arteries comes from the body’s internal energetic field. FSM taps into this and influences the electrical signaling inherent in the body’s communication system.

Kristi’s clinical focus has increasingly centered on physiology and brain nourishment: identifying where gut dysfunction, amino acid deficiencies, or an overtaxed nervous system are driving symptoms that look unrelated on the surface. Treating that physiology directly is often what allows the rest of a treatment plan to work.

In practice, this specialty shows up across a wide range of everyday complaints, not just digestive ones:

Conditions That Respond Well

Anger & agitationAnxiety & worry
Brain fog Chronic pain
Compulsive behaviors Crying easily
DepressionDifficulty relaxing
Fatigue Feeling overwhelmed
Food cravingsHeadaches
Hormone imbalanceInsomnia
Lack of focusNeck & shoulder tension
Obsessive, looping thoughtsRacing thoughts

You don’t have to keep managing symptoms one at a time.

Frequently Asked Questions

It is not unusual for it to take three to four months for a patient to implement the multiple amino acid protocols at the right doses. It can take another three to four months to nourish the brain and heal the gut. Sometimes it only takes a few weeks. The good news is that once the brain gets the support it needs, patients gradually decrease the dose of particular amino acid supplements and then discontinue them entirely.

No. Many patients come in for anxiety, brain fog, or fatigue without realizing the gut is part of the picture. Kristi’s evaluation will consider your full history to identify what’s contributing to your symptoms.

Yes, for herbal medicine, supplements, and amino acid support. Acupuncture and FSM require an in-person visit at the Solvang clinic.

Nutrition is part of it, but not the whole picture. A Traditional Chinese Medicine differential diagnosis looks at how your specific pattern of imbalance is showing up, for example, in digestion, mood and sleep all together, not as separate issues. Acupuncture and herbal medicine work directly on the nervous system regulation and channel imbalances that diet alone doesn’t address, which is why this is a clinical treatment plan rather than a list of foods to eat.

A thorough review of your health history, a Traditional Chinese Medicine differential diagnosis, and a treatment plan tailored to your specific pattern, not a generic protocol.

Your gut and your brain are already talking to each other. Let’s make sure it’s a conversation that helps you heal.

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©2026 Kristi Hundt MA, LAc. All Rights Reserved.