L-Tyrosine vs Vitamin D for energy
Short answer: For energy, users rate them about the same: 89% report improvement with L-Tyrosine (119 reports) and 87% with Vitamin D (212 reports).
L-Tyrosine has 10 meta-analyses and 38 randomized trials on PubMed; Vitamin D has 3,251 and 4,560.
Based on 802 reports about L-Tyrosine and 2,294 about Vitamin D. Not medical advice.
| L-Tyrosine Supplement | Vitamin D Supplement | |
|---|---|---|
| User score | 47 | 48 |
| Verdict | Mixed | Mostly positive |
| Positive of reports that state an outcome | 52% | 65% |
| Reports | 802 | 2,294 |
| Research | AResearch: Strong | AResearch: Strong |
| Meta-analyses / RCTs | 10 / 38 | 3,251 / 4,560 |
| Mainly used for | ||
| Weight loss % reporting improvement | — | 62% (8) |
| Appetite % reporting improvement | — | 67% (3) |
| Focus % reporting improvement | 80% (163) | 82% (55) |
| Energy % reporting improvement | 89% (119) | 87% (212) |
| Sleep % reporting improvement | 33% (9) | 50% (105) |
| Anxiety % reporting improvement | 56% (34) | 65% (82) |
| Mood % reporting improvement | 82% (125) | 88% (307) |
| Memory % reporting improvement | 83% (6) | 83% (12) |
| Performance % reporting improvement | 100% (4) | 100% (23) |
| Recovery % reporting improvement | — | 100% (10) |
| Pain & inflammation % reporting improvement | 67% (3) | 73% (30) |
| Digestion % reporting improvement | — | 50% (14) |
| Libido % reporting improvement | 62% (8) | 80% (45) |
| Hormones % reporting improvement | 100% (4) | 87% (55) |
| Blood sugar % reporting improvement | — | 100% (2) |
| Heart & lipids % reporting improvement | — | 60% (15) |
| Skin & hair % reporting improvement | 60% (5) | 89% (28) |
| Immunity % reporting improvement | — | 99% (73) |
| Longevity % reporting improvement | — | 78% (9) |
| Common side effects | anxiety, insomnia, headache, jitteriness | insomnia, anxiety, fatigue, hypercalcemia |
| Typical dose reported | 500 mg / daily | daily |
18F-FET static parameters alone showed a comparably high sensitivity in the differentiation between brain tumour true progression and TRC. Combining static and kinetic parameters provided improved diagnostic performance.
Nucl Med Commun, 2022 ↗“Tyrosine is just an excellent thing to add to any stack”
These results indicate that the prevalence of vitamin D deficiency was more elevated in obese subjects. The vitamin D deficiency was associated with obesity irrespective of age, latitude, cut-offs to define vitamin D deficiency and the Human Development Index of the study location.
Obes Rev, 2015 ↗“I micro-dose coffee, vitamin d, and lemon juice every morning”
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Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate