If you’ve asked yourself, “Why aren’t my antidepressants working?” or “Why do I feel emotionally flat but still tired, foggy, and craving food?” you are not alone. Millions of people are taking medications for depression and never fully improving. In fact, many patients feel worse—gaining weight, losing motivation, and experiencing persistent mood swings despite treatment.
As Dr. Bill Wilson, MD has seen in decades of clinical practice, the issue is not that antidepressants “don’t work.” It’s that most people being treated with them are misdiagnosed.
Today, the majority of people who are labeled with depression do not actually have classic major depression. They have CARB Syndrome—a modern, diet-driven brain disorder caused by ultra-processed foods that deplete essential neurotransmitters and disrupt normal brain signaling.
Classic depression and CARB Syndrome share emotional symptoms, but they differ dramatically in their causes, physiology, and effective treatments.
This mismatch is why antidepressants are failing for so many people.
1. Classic Depression Responds to Medication — CARB Syndrome Does Not
Classic major depression has always been a genetically influenced, neurochemical disorder characterized by:
- Appetite loss
- Weight loss
- Low energy
- Persistent sadness
- Slowed thinking
- Reduced pleasure
Because classic depression is rooted in serotonin, dopamine, and norepinephrine abnormalities, medications like SSRIs, SNRIs, or atypical antidepressants often help.
But CARB Syndrome is different.
CARB Syndrome is driven by:
- Ultra-processed foods
- Neuroinflammation
- Neurotransmitter precursor depletion
- Insulin spikes and metabolic disruption
- Excess body fat and appetite dysregulation
No pill can correct these problems.
Only diet and neurotransmitter rebuilding can.
This is why so many people taking antidepressants say:
- “I don’t feel depressed, but I don’t feel good.”
- “My emotions are flat, but my cravings and weight gain are worse.”
- “I’m on medication, but my brain still feels foggy.”
They are treating the wrong condition.
2. The Modern Symptom Pattern: Why “Depression” Looks Different Today
Classic depression historically caused patients to lose weight.
But today?
Most “depressed” patients gain weight.
Symptoms frequently include:
- Increased appetite
- Cravings for carbs or sugar
- Weight gain
- Emotional eating
- Irritability
- Brain fog
- Difficulty concentrating
These are not symptoms of classic major depression.
They are symptoms of diet-induced brain dysfunction—CARB Syndrome.
When a physician prescribes antidepressants to someone with CARB Syndrome, the emotional symptoms may partially improve, but:
- cravings continue
- weight gain accelerates
- energy remains low
- concentration problems persist
- emotional volatility returns
This is not treatment resistance.
It is incorrect treatment.
3. Why Antidepressants Often Make CARB Syndrome Worse
Antidepressants can improve mood in some patients with CARB Syndrome because they raise neurotransmitter levels.
But they cannot:
- stop cravings
- eliminate ultra-processed food effects
- correct metabolic dysfunction
- rebuild neurotransmitter precursors
- prevent fat accumulation
- reverse neuroinflammation
So while the emotional pain may temporarily decrease, the underlying fuel of CARB Syndrome remains.
This leads to predictable problems:
❌ Weight gain accelerates
Most antidepressants cause weight gain, and CARB Syndrome already pushes the brain toward fat storage.
❌ Cravings intensify
Medications do not stop the cycle of sugar-induced neurotransmitter depletion.
❌ Fatigue persists
Because metabolism is not repaired, patients remain chronically tired.
❌ Brain fog continues
Cognitive issues are diet-driven, not mood-driven.
❌ Symptoms return once medication plateaus
The underlying disorder still exists.
This causes frustration, hopelessness, and the belief that something is “wrong” with the patient.
Nothing is wrong with the patient.
The wrong condition is being treated.
4. CARB Syndrome Requires a Completely Different Treatment Path
Where classic depression requires psychiatric treatment, CARB Syndrome requires nutritional and metabolic intervention.
The CARB Syndrome Treatment Foundation
- Rebuild neurotransmitters
CARB Syndrome depletes monoamine precursors.
Dr. Wilson recommends a balanced precursor formula such as CARB-22, starting gradually and increasing as needed. - Eliminate ultra-processed foods
These foods damage the brain and metabolic system, leading to:
- inflammation
- insulin spikes
- disrupted appetite hormones
- neurotransmitter depletion
Switching to whole, minimally processed foods often produces rapid improvements.
- Exercise regularly
30–60 minutes most days, combining cardio and strength training. - Restore sleep
7–8 hours of high-quality sleep. - Social engagement
Healthy relationships improve neurochemistry. - Omega-3 optimization
Eat small fish and maintain AA/EPA ratio of 1:3. - Zero alcohol
Alcohol is a neurotoxin that worsens every aspect of CARB Syndrome.
5. When You Need Medication — and When You Don’t
When medication is appropriate:
✔ You have true major depression
✔ Symptoms are severe or disabling
✔ You have suicidality or major functional impairment
When medication usually is not the primary treatment:
✔ You have weight gain
✔ You have cravings
✔ You feel worse when eating sugar or carbs
✔ You feel “wired and tired”
✔ You gained weight after medication
✔ You’re mentally foggy
✔ You have emotional instability after eating
These are signs of CARB Syndrome—not classic major depression.
6. How to Know Whether Your Depression Is Actually CARB Syndrome
Ask yourself:
- Did my symptoms begin after weight gain or diet changes?
- Do I crave carbs or sugar?
- Do I feel worse after eating processed foods?
- Have antidepressants helped only a little—or not at all?
- Did I gain weight after starting medication?
- Do I have brain fog, irritability, or trouble focusing?
- Do I feel temporarily better after eating?
If you answered “yes” to several of these, CARB Syndrome may be the underlying cause.
FAQ SECTION
Q1: Why don’t antidepressants work for me?
Because your symptoms may be caused by CARB Syndrome—not classic major depression.
Q2: Can antidepressants treat CARB Syndrome?
No. CARB Syndrome is diet-driven and requires nutritional and lifestyle treatment.
Q3: What if I have both depression and CARB Syndrome?
Many patients do. In that case, you must treat both conditions in different ways.
Q4: What improves CARB Syndrome symptoms fastest?
Removing ultra-processed foods and rebuilding neurotransmitters are the biggest drivers of improvement.






