Respiratory Quotient: How diet, lifestyle, and supplements may provide benefits.

Examine Database: Respiratory Quotient

Intervention	Grade	Evidence	Effect
L-Carnitine	B	Participants: 27	Mixed effect
Spirulina	D	Participants: 16	No effect
16:8 Intermittent Fasting	D	Participants: 40	No effect

L-Carnitine

B

Participants: 27

Mixed effect

Spirulina

D

Participants: 16

No effect

16:8 Intermittent Fasting

D

Participants: 40

No effect

Intervention	Grade	Effect	Detail
L-Carnitine	B
Spirulina	D
16:8 Intermittent Fasting	D

Research FeedRead all studies

Ketogenic diets and improvements in glycemic control: Is it all just weight loss?

In this short-term randomized crossover trial in participants with type 2 diabetes who consumed weight-maintaining diets, a ketogenic diet and a higher-carbohydrate diet had similar effects on glycemic control.

Does a drink containing a probiotic and inulin increase resting energy expenditure?

The effect of nighttime carbohydrate restriction on aerobic exercise metrics

Do diets with different fatty acid compositions have different effects on weight?

Examine Database References

L-Carnitine - Gaetano A, Mingrone G, Castagneto, M, Calvani MCarnitine Increases Glucose Disposal in HumansJ Am Coll Nutr.()
Spirulina - Hsueh-Kuan Lu, Chin-Cheng Hsieh, Jen-Jung Hsu, Yuh-Kuan Yang, Hong-Nong ChouPreventive effects of Spirulina platensis on skeletal muscle damage under exercise-induced oxidative stressEur J Appl Physiol.(2006 Sep)
L-Carnitine - V Wyss, G P Ganzit, A RienziEffects of L-carnitine administration on VO2max and the aerobic-anaerobic threshold in normoxia and acute hypoxiaEur J Appl Physiol Occup Physiol.(1990)
L-Carnitine - Satoshi Odo, Koji Tanabe, Masafumi Yohda, Masamitsu YamauchiLiver-Oriented Acute Metabolic Effects of A Low Dose of L-Carnitine under Fat-Mobilizing Conditions: Pilot Human Clinical TrialJ Nutr Sci Vitaminol (Tokyo).(2020)
16:8 Intermittent Fasting - Grant M Tinsley, M Lane Moore, Austin J Graybeal, Antonio Paoli, Youngdeok Kim, Joaquin U Gonzales, John R Harry, Trisha A VanDusseldorp, Devin N Kennedy, Megan R CruzTime-restricted feeding plus resistance training in active females: a randomized trialAm J Clin Nutr.(2019 Sep 1)