Vitality
The broad sense of having energy and feeling alive. It is measured on quality-of-life questionnaires that carry a vitality subscale, and it is one of the softer outcomes here.
64 supplements analyzed and ranked by clinical evidence.
Supplements64
Supplement Evidence
S-Adenosyl Methionine
Moderate
Homocysteine/SAM balance
Liver outcomes & survival
82 studies·14 benefits
Main Effects
Alpha-Lipoic Acid21217
Vitality: pain/function/QoL
Vitality: antioxidants/metabolic
Vitality: sperm/vision gains
Strong
Spirulina5518
Metabolic health: −1.43% HbA1c
Weight/lipid gains: −41 mg/dL TC
Immune/growth: +9 pp walking
Moderate
Citrulline23013
Heart function +20%
TB recovery +weight gain
Women lean mass +1.7kg
Heart function +9 mmHg
Vascular function +20%
Lean mass +0.5 kg
Moderate
Ribose2068
Vitality/health +
EF/BNP/bioenergetics +
Heart filling/QoL +50
Skin barrier/aging
NAD+/glucose +10-28%
Weak