One chemical form (free glycine) · differences only in format and price. Bulk powder is the absolute winner by economy.
L-glycine USP grade
Best for
Ideal use: 95% of cases · economy + dose flexibility.
Advantages
Economical (~8-12 €/kg = 2-3 month supply). Natural sweet taste · dissolves easily in water. Flexible doses (1 g to 15 g). No fillers.
Disadvantages
Needs scale or measuring spoon · less convenient for travel.
Same powder in capsules
Best for
Ideal use: travel · exact dose <1 g · patients avoiding sweet tastes.
Advantages
No taste · convenient travel · exact dose without scale.
Disadvantages
Expensive (3 g = 6 capsules) · typically 5-10× powder price. For doses >3 g impractical.
Glycine + N-acetylcysteine
Best for
Ideal use: serious anti-aging >65 years · protocol convenience.
Advantages
Sekhon 2021 combo in optimal ratio (typically 1.33:1 Gly:NAC). Single formula convenience.
Disadvantages
Expensive vs buying separately (50-100% more). Limits dose flexibility.
Ideal use: 95% of cases · economy + dose flexibility.
Ideal use: travel · exact dose <1 g · patients avoiding sweet tastes.
Ideal use: serious anti-aging >65 years · protocol convenience.
One chemical form (free glycine) · differences only in format and price. Bulk powder is the absolute winner by economy.