Comprehensive Calming Support with L-Theanine, GABA, Magnesium & Valerian Root | SKU: SN1776
Whether you are searching for Theanine Serine or the official brand name Theanine Serene™, you have found the premier multi-nutrient formula engineered to silence persistent mental chatter, ease physical muscular tension, and restore a sense of calm without knocking you out or leaving you foggy-headed.
Everyday stress triggers a constant flood of stimulating brain signals. Source Naturals created this targeted 5-in-1 complex to restore balance by feeding your central nervous system the exact amino acids, minerals, and botanicals it needs to enter a state of calm alertness.
✓ Non-Drowsy Daytime Calm
✓ Highly Absorbable Magnesium Chelate
✓ Vegetarian & Gluten-Free
✓ 100% VitaNet Money-Back Guarantee
How It Works: The Science of Calm in Plain English
When you feel stressed, your brain is running in overdrive. Think of your nervous system like a car going downhill: stress hits the gas pedal, causing racing thoughts, clenched shoulders, and shallow breathing. Theanine Serene works by gently activating your body's natural biological brakes through five synergistic pathways:
1. L-Theanine (200 mg) — The Focused Calm Activator
An amino acid naturally discovered in green tea leaves, L-Theanine stimulates alpha brain waves. These are the same relaxing brain frequencies produced during meditation or light daydreaming. It promotes a feeling of serene mental clarity without making you feel sluggish or tired.
2. GABA (500 mg) — Your Brain's Primary Braking System
GABA (Gamma-Aminobutyric Acid) is your central nervous system's chief calming chemical messenger. When stress over-excites your nerve cells, GABA binds to specific neural receptors to block excessive signals, effectively turning down the volume on mental static.
Up to 50% of American adults consume less than the recommended amount of magnesium. Magnesium is essential for neuromuscular relaxation and regulates the stress hormone cortisol. Because it is bound in an amino acid chelate form, it absorbs quickly and gently without causing stomach upset.
Taurine works alongside GABA to steady the flow of potassium, sodium, and calcium ions across your cell membranes. This protects sensitive brain cells from overstimulation (known as excitotoxicity) during periods of heavy emotional or workload strain.
Used for centuries across traditional herbalism, valerian root contains natural phytonutrients that help prevent your body from prematurely breaking down GABA, helping that soothing, peaceful feeling linger longer throughout your day.
When to Take Theanine Serene: Real-World Scenarios
Unlike single-ingredient stress supplements that either do too little or knock you out completely, the balanced dosage in Source Naturals SN1776 fits effortlessly into your daily routine:
✓High-Pressure Workdays & Deadlines: Take 2 tablets in the morning to handle demanding presentations, deadlines, and hectic schedules with composed, laser-focused poise.
✓Smoothing the "Caffeine Jitters": If you love your morning espresso but dislike the accompanying rapid heartbeat and restlessness, L-Theanine harmonizes caffeine for smooth, sustained cognitive energy.
✓Evening Decompression & Racing Thoughts: Take 1 to 2 tablets 45 minutes before bedtime to un-clench physical jaw and neck tightness, quiet your inner monologue, and prepare for restorative sleep.
✓Social & Travel Unease: Ideal for crowded events, public speaking, or flight-related nervousness where you need emotional stability without mental fog.
Other Ingredients: Sorbitol, stearic acid, modified cellulose gum, and silica.
Allergen & Purity Standards: Suitable for vegetarians. Contains NO yeast, dairy, egg, gluten, soy, or wheat. Contains NO sugar, salt, preservatives, or artificial colors, flavors, or fragrances.
Suggested Use: Take 2 tablets daily with a full glass of water, or as specifically advised by your qualified healthcare professional.
Safety, Medical Precautions & Responsible Use
Because Source Naturals Theanine Serene includes active neuro-nutrients that cross the blood-brain barrier and support neurotransmitter pathways, medical transparency is our highest priority:
Antidepressants & Prescription Medications: If you are currently taking prescription neuropsychiatric drugs, including SSRIs (Selective Serotonin Reuptake Inhibitors), SNRIs, MAOIs (Monoamine Oxidase Inhibitors), sedatives, anti-anxiety medications, or supplements like St. John's Wort, consult your prescribing physician before using this product.
Pregnancy and Nursing: Do not use this supplement if you are pregnant, planning to become pregnant, or breastfeeding without explicit physician approval.
Driving & Machinery: While L-Theanine and GABA are widely celebrated for non-drowsy relaxation, the addition of valerian root and magnesium may cause subtle sleepiness in sensitive individuals. Do not consume with alcoholic beverages, and exercise caution when driving or operating heavy equipment until you know how your body responds.
California Proposition 65 Notice: This product meets all strict Good Manufacturing Practice (cGMP) regulations and FDA dietary guidelines. Under California state law, products containing naturally occurring soil minerals carry a standard Prop 65 warning for consumer awareness.
*Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any medical condition or disease.
Clinical Research & Peer-Reviewed Scientific Evidence
Every active compound in Source Naturals Theanine Serene is supported by published scientific and clinical literature evaluating stress markers, brain wave modulation, and nervous system health:
L-Theanine on Stress & Cognitive Function:
In a randomized, double-blind, placebo-controlled clinical trial, four weeks of daily 200 mg L-theanine administration significantly decreased stress-related symptoms (depression, anxiety-trait scores) and enhanced sleep quality and verbal fluency in healthy adults.
Citation: Hidese, S., Ogawa, S., Ota, M., et al. (2019). Nutrients, 11(10), 2362. PMID: 31623400.Magnesium Supplementation on Subjective Stress:
A comprehensive systematic review of 18 clinical studies confirmed that oral magnesium supplementation improves subjective measures of stress and anxiety, especially in individuals with low baseline dietary magnesium intake.
Citation: Boyle, N. B., Lawton, C., & Dye, L. (2017). Nutrients, 9(5), 429. PMID: 28445426.Oral GABA Administration & Brainwave Modulation:
Clinical electroencephalogram (EEG) recordings demonstrated that oral administration of GABA notably elevated alpha brain wave production within 60 minutes while reducing beta waves, signaling a physiological shift from anxiety to calm relaxation.
Citation: Abdou, A. M., Higashiguchi, S., Horie, K., et al. (2006). BioFactors, 26(3), 201–208. PMID: 16936800.Valerian Root Extract for Restful Decompression:
A meta-analysis of randomized clinical trials found that standardized valerian root extract provides meaningful support for sleep quality and physical relaxation without the morning hangover effects typical of chemical sedatives.
Citation: Bent, S., Padula, A., Moore, D., et al. (2006). The American Journal of Medicine, 119(12), 1005–1012. PMID: 17145239.Taurine & Central Inhibitory Receptors:
Scientific investigations indicate that taurine acts as an agonist at GABA and glycine receptor sites, helping buffer neurons against excessive excitation and oxidative stress.
Citation: Ochoa-de la Paz, L., Zenteno, E., et al. (2019). Expert Review of Neurotherapeutics, 19(4), 289–291. PMID: 30807248.
Why Buy Source Naturals from VitaNet® Online?
Founded in 1995, VitaNet® LLC has supplied hundreds of thousands of customers across the United States with genuine, fresh, laboratory-tested vitamins and nutritional supplements.
✓ 100% Money-Back Guarantee
If you are not completely satisfied with your order, return it within 12 months for a full refund of the product purchase price. We even pay the return shipping.
✓ Guaranteed Authentic & Factory Fresh
We source directly from Source Naturals manufacturing facilities. No third-party marketplace counterfeits, expired lots, or damaged heat-compromised bottles.
✓ Dedicated Ohio-Based Customer Support
Have questions about your order? Call our knowledgeable customer care team in Hartville, Ohio toll-free at 1-800-877-8702 Monday through Saturday.
Frequently Asked Questions (FAQ)
Why do some people search for "Theanine Serine" instead of "Theanine Serene"?
"Theanine Serine" is a very common spelling variation and typo for the trademarked product Source Naturals Theanine Serene™. Because the amino acid serine exists in biology, many customers inadvertently spell "Serene" as "Serine." Rest assured, whether you search for Theanine Serine or Theanine Serene (SKU SN1776), you are receiving the exact authentic calming complex with GABA and Magnesium.
How fast does Theanine Serene work?
Most individuals notice initial physical and mental relaxation within 30 to 60 minutes after taking two tablets. L-Theanine and GABA absorb rapidly into circulation to begin stimulating soothing alpha brain waves, while the chelated magnesium gently helps tense muscle fibers loosen up.
Will this supplement make me feel drowsy or sleepy at work?
For the vast majority of users, Theanine Serene does not induce daytime sedation. L-Theanine is known specifically for creating a "calm alertness" that clears away distracting tension while keeping mental focus sharp. However, because it contains 100 mg of valerian root extract and 300 mg of magnesium, highly sensitive individuals may feel mild drowsiness. We recommend trying your first dose at home on an evening or weekend.
Can I take Theanine Serene before going to bed?
Yes. Many customers take Theanine Serene 30 to 60 minutes before bed, especially when stress or an overactive mind prevents them from falling asleep. It helps turn off the brain's internal mental chatter and relaxes tense shoulder, neck, and back muscles without relying on harsh sleep drugs.
Can I take Theanine Serene if I am taking prescription anxiety or antidepressant medication?
If you are taking prescription neuropsychiatric drugs such as SSRIs, SNRIs, MAOIs, sedatives, or tricyclic antidepressants, you must speak with your prescribing physician or pharmacist before taking this product. The active amino acids in this blend directly interact with neurotransmitter receptors, and combining them with prescription mood medications could alter your response.
Why did Source Naturals choose magnesium chelate over magnesium oxide?
Magnesium oxide is an inexpensive form of magnesium that has poor absorption (only about 4%) and frequently acts as a harsh laxative. Magnesium chelate bonds the mineral directly to amino acids, allowing it to bypass digestive barriers, absorb readily into the bloodstream, and deliver maximum relaxation to muscle and nerve tissues without stomach distress.
Is this product suitable for vegetarians and those with gluten sensitivities?
Yes. Source Naturals Theanine Serene (120 tablets) is completely suitable for vegetarians. It is manufactured without gluten, yeast, dairy, egg, soy, or wheat, and contains no added sugar, salt, artificial colors, artificial flavors, or chemical preservatives.