Beta-Alanine
Human studies reported between-group improvement in subjective feelings of fatigue.
Single-ingredient studies · Human studies · between-group comparison
Publications for this result: 1
Energy
Research connected to fatigue, energy metabolism, and recovery.
View Fatigue and energy research
Betaine
Human studies reported a change with no confirmed comparison group in fatigue.
Single-ingredient studies · Human studies · Population not specified · comparator not confirmed
Publications for this result: 1
More research topics
Caffeine
Human studies reported a within-group change in markers of fatigue.
Single-ingredient studies · Human studies · within-group comparison
Publications for this result: 1
More research topics
Coenzyme Q10
Human studies reported between-group improvement in fatigue impact scale total score.
combination-ingredient studies · Individual ingredient effects cannot be separated · Human studies · Includes patient groups · between-group comparison
Publications for this result: 1
More research topics
Ginseng
Studies with an unspecified organism reported a change with no confirmed comparison group in disease-related fatigue.
Scope not specified · Includes patient groups · comparator not confirmed
Publications for this result: 1
More research topics
Iron
Human studies reported a change with no confirmed comparison group in fatigue.
Single-ingredient studies · Human studies · Includes deficiency groups · comparator not confirmed
Publications for this result: 1
Rhodiola
Human studies reported a change with no confirmed comparison group in mental fatigue.
Single-ingredient studies · Human studies · Population not specified · comparator not confirmed
Publications for this result: 1
More research topics
Taurine
Human studies reported mixed results for FAS change.
Single-ingredient studies · Human studies · Includes patient groups · between-group comparison
Publications for this result: 1
More research topics
Other research records (37)
The counts above cover the selected topic only. This section also includes other topics, research without a confirmed comparison, animal or cell studies, and findings whose interpretation is held.
5-HTP
View Fatigue and energy researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.
Alpha-Lipoic Acid
A stored research summary is not available for this ingredient and topic.
Ashwagandha
View Fatigue and energy researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
Publications for this result: 1 (1 awaiting review included)
Beetroot Extract
View Fatigue and energy researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.
Chondroitin
A stored research summary is not available for this ingredient and topic.
Chromium
A stored research summary is not available for this ingredient and topic.
Citrulline
View Fatigue and energy researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
Publications for this result: 1 (1 awaiting review included)
Collagen
A stored research summary is not available for this ingredient and topic.
Copper
A stored research summary is not available for this ingredient and topic.
Creatine
View Fatigue and energy researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
Publications for this result: 1 (1 awaiting review included)
D-Ribose
A stored research summary is not available for this ingredient and topic.
EAA
A stored research summary is not available for this ingredient and topic.
Fiber
A stored research summary is not available for this ingredient and topic.
GABA
A stored research summary is not available for this ingredient and topic.
Ginkgo
A stored research summary is not available for this ingredient and topic.
Glucosamine
A stored research summary is not available for this ingredient and topic.
HMB
A stored research summary is not available for this ingredient and topic.
Inositol
A stored research summary is not available for this ingredient and topic.
L-Carnitine
A stored research summary is not available for this ingredient and topic.
L-Theanine
View Fatigue and energy researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
Publications for this result: 1 (1 awaiting review included)
Melatonin
A stored research summary is not available for this ingredient and topic.
NAC
A stored research summary is not available for this ingredient and topic.
Omega-3
A stored research summary is not available for this ingredient and topic.
Phosphatidylserine
A stored research summary is not available for this ingredient and topic.
Plant Sterols
A stored research summary is not available for this ingredient and topic.
Potassium
A stored research summary is not available for this ingredient and topic.
Probiotics
A stored research summary is not available for this ingredient and topic.
Psyllium
A stored research summary is not available for this ingredient and topic.
Quercetin
A stored research summary is not available for this ingredient and topic.
Riboflavin
A stored research summary is not available for this ingredient and topic.
Selenium
A stored research summary is not available for this ingredient and topic.
Sodium Bicarbonate
A stored research summary is not available for this ingredient and topic.
Thiamine
A stored research summary is not available for this ingredient and topic.
Tyrosine
A stored research summary is not available for this ingredient and topic.
Vitamin B12
View Fatigue and energy researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.
Vitamin D
A stored research summary is not available for this ingredient and topic.
Whey Protein
View Fatigue and energy researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.
How to read this topic
Fatigue, exercise performance, or nutrient status?
A fatigue questionnaire, exercise duration, and a nutrient blood level should not be merged into one energy effect. Check what was measured.
Correcting a deficiency, recovering from exercise, and persistent clinical fatigue involve different conditions. One setting does not answer every energy question.