Examine Database: Vigor/Activity
| Intervention | Grade | Effect | Detail |
|---|---|---|---|
| Beta-glucans | D | ||
| Ketogenic Diet | D | ||
| Rhodiola Rosea | C | ||
| L-Tyrosine | |||
| Theanine |
Research FeedRead all studies
Beta-glucan might reduce fatigue
In this meta-analysis of randomized controlled trials, supplementation with beta-glucan (usually from yeast) reduced feelings of fatigue, increased feelings of vigor, and improved mood.
Supplemental collagen peptides for fatigue
Examine Database References
- Rhodiola Rosea - Cropley M, Banks AP, Boyle JThe Effects of Rhodiola rosea L. Extract on Anxiety, Stress, Cognition and Other Mood SymptomsPhytother Res.(2015 Dec)
- Theanine - Ai Yoto, Mao Motoki, Sato Murao, Hidehiko YokogoshiEffects of L-theanine or caffeine intake on changes in blood pressure under physical and psychological stressesJ Physiol Anthropol.(2012 Oct 29)
- Ketogenic Diet - Johnston CS, Tjonn SL, Swan PD, White A, Hutchins H, Sears BKetogenic low-carbohydrate diets have no metabolic advantage over nonketogenic low-carbohydrate dietsAm J Clin Nutr.(2006 May)
- L-Tyrosine - Nicole A Coull, Samuel L Watkins, Jeffrey W F Aldous, Lee K Warren, Bryna C R Chrismas, Benjamin Dascombe, Alexis R Mauger, Grant Abt, Lee TaylorEffect of tyrosine ingestion on cognitive and physical performance utilising an intermittent soccer performance test (iSPT) in a warm environmentEur J Appl Physiol.(2015 Feb)
- Ketogenic Diet - Ranjan A, Schmidt S, Damm-Frydenberg C, Holst JJ, Madsbad S, Nørgaard KShort-term effects of a low carbohydrate diet on glycaemic variables and cardiovascular risk markers in patients with type 1 diabetes: A randomized open-label crossover trialDiabetes Obes Metab.(2017 Oct)
- Rhodiola Rosea - Noreen EE, Buckley JG, Lewis SL, Brandauer J, Stuempfle KJThe effects of an acute dose of Rhodiola rosea on endurance exercise performanceJ Strength Cond Res.(2013 Mar)
- L-Tyrosine - Harris R Lieberman, Lauren A Thompson, Christina M Caruso, Philip J Niro, Caroline R Mahoney, James P McClung, Gregory R CaronThe catecholamine neurotransmitter precursor tyrosine increases anger during exposure to severe psychological stressPsychopharmacology (Berl).(2015 Mar)
- Beta-glucans - .(2025-01-28)