The Lifting Lab
Head-to-Head · 2026

HR Labs HR Labs L-Glycine vs HR Labs HR Labs Rest Up

TLL Label Scores are shown only for products whose label assessment has been signed off; others are Under review. Labels and listed prices remain available for research.

Verdict

TLL Label Scores are shown only for products whose label assessment has been signed off; others are Under review. Labels and listed prices remain available for research.

Under review
HR LabsHR Labs L-GlycineSleep & Recovery
Under review
HR LabsHR Labs Rest UpSleep & Recovery
Serving3 g4 capsules
Retail——
listed price / serving——
L-Glycine3g—
CherryPURE® (Montmorency Tart Cherry Powder)—1000mg
Levagen®+ (90% Palmitoylethanolamide with LipiSperse®)—600mg
Apigenin (Grapefruit derived Std. to 98%)—600mg
CellFlo6™ (Green Tea (Camellia sinensis) Leaf Extract)—300mg
HR Labs L-Glycine review →HR Labs Rest Up review →More comparisons →

How we score

TLL Label Scores are shown only for products whose label assessment has been signed off; others are Under review. Labels and listed prices remain available for research.

Informational only — not medical advice. Retailer links carry their own disclosures. This never affects scoring.