Supplement stacks / L-Theanine + Magnesium L-Threonate
Can You Take L-Theanine with Magnesium L-Threonate?
L-Theanine and Magnesium L-Threonate can be taken together safely for cognitive enhancement and relaxation. Both supplements have supportive evidence for their respective benefits, and no significant adverse interactions have been documented. However, individual health conditions should be considered.
Conservative, AI-assisted reading of publicly available medical sources (NIH, Mayo Clinic, WebMD, Examine.com). Informational only — it can't account for your medications, conditions, or genetics.
Generally well-tolerated; rare side effects reported.
Typical dosage: 100-200 mg daily
- Headache
- Dizziness
- Gastrointestinal discomfort
- May enhance effects of caffeine; monitor intake if consuming caffeinated products.
Generally safe for most individuals; caution in those with kidney disease.
Typical dosage: 200-400 mg daily
- Diarrhea
- Nausea
- Abdominal cramping
- Avoid in individuals with kidney disease; consult a healthcare provider if unsure.
Taking L-Theanine and Magnesium L-Threonate together is generally safe. For optimal effects, consider taking L-Theanine in the morning for cognitive benefits and Magnesium L-Threonate in the evening for relaxation.
Can you take L-Theanine and Magnesium L-Threonate together?
L-Theanine and Magnesium L-Threonate can be taken together safely for cognitive enhancement and relaxation. Both supplements have supportive evidence for their respective benefits, and no significant adverse interactions have been documented. However, individual health conditions should be considered.
How safe is the L-Theanine and Magnesium L-Threonate combination?
Our analysis of publicly available medical sources scores this combination 8/10 (low risk). This is an informational estimate, not medical advice — always confirm with a healthcare professional.
When should you take L-Theanine and Magnesium L-Threonate?
Taking L-Theanine and Magnesium L-Threonate together is generally safe. For optimal effects, consider taking L-Theanine in the morning for cognitive benefits and Magnesium L-Threonate in the evening for relaxation.
Taking more than these two? Run your complete supplement list — plus any medications — through the live checker for a combined analysis.
Analyze my stackGenetics change how you process supplements like these. Upload raw 23andMe or Ancestry data for a personalized supplement report.
See the DNA reportNot medical advice
Analysis generated August 11, 2026 · Sources include NIH, Mayo Clinic, WebMD, and Examine.com · How our analysis works