Serotonin
Active ingredient
Sold as Quantum Harmony
- Drug class
- -
- Availability
- Over-the-counter
- Routes
- Oral
- Markets covered
- 1
- Products on record
- 1
- FDA reports (12 mo)
- 13
Overview
Plain-language summary, compiled from the cited regulatory records
Serotonin is a substance used for the temporary relief of symptoms related to adaptation, resilience, emotional connectivity, tranquility, emotional coherence, endurance, toughness, mental coherence, stress tolerance, elasticity, optimism, and hopefulness [1]. These uses are based on homeopathic principles and have not been reviewed by the relevant regulatory agency [1].
This active ingredient is available under brand names such as Quantum Harmony [1]. In the past 12 months, there have been 13 adverse event reports associated with products containing this ingredient [2]. The most frequently reported adverse events include acute kidney injury, drug interaction, intentional overdose, major depression, and metabolic acidosis [2].
This is not medical advice. Consult a qualified healthcare professional.
Regulatory status by market
| Market | Regulator | Products | Last revision |
|---|---|---|---|
| US United States | FDA | 1 | February 25, 2026 |
USUnited States· FDA
1 product
Uses
USES: • For the temporary relief of symptoms including: • adaptation • resilience • emotional connectivity • tranquility • emotional coherence • endurance • toughness • mental coherence • stress tolerance • elasticity • optimism • hopefulness • courage These statements are based upon homeopathic principles.
They have not been reviewed by the Food and Drug Administration.
How to take
DIRECTIONS: 1-10 drops under the tongue, 3 times a day or as directed by a health professional. Consult a physician for use in children under 12 years of age.
This is not medical advice. Consult a qualified healthcare professional.
Most-reported reactions to the US regulator (12 mo to June 4, 2026): 13 reports total. [2]
- Acute Kidney Injury 4
- Drug Interaction 4
- Intentional Overdose 4
- Major Depression 4
- Metabolic Acidosis 4
- Physical Deconditioning 4
- Serotonin Syndrome 4
- Suicide Attempt 4
- Fatigue 2
- Product Dose Omission Issue 2
- Blood Sodium Decreased 1
- Complication Of Device Insertion 1
Side effects & warnings
WARNINGS:
If pregnant or breastfeeding , ask a health professional before use. Keep out of reach of children. In case of overdose, contact a physician or Poison Control Center right away.
Tamper Evident:
Sealed for your protection. Do not use if seal is broken or missing.
WARNINGS:
If pregnant or breastfeeding , ask a health professional before use. Keep out of reach of children. In case of overdose, contact a physician or Poison Control Center right away.
Tamper Evident:
Sealed for your protection. Do not use if seal is broken or missing.
This is not medical advice. Consult a qualified healthcare professional.
Brands in United States (1)
Sources & citations
- [1]FDA DailyMed · 1742ac50-ec6e-42… · revised February 25, 2026 [PDF]
- [2]OpenFDA adverse-event reports (US), 12 months ending June 4, 2026.
Information on this page is compiled from public regulatory records. Drugvu is not affiliated with any regulator or pharmaceutical manufacturer. This is not medical advice. Always consult a qualified healthcare professional.