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Glycine
Full ranking Dose tool Products (569)
Key facts
Daily Value (US FDA)—
Tolerable Upper Intake Level (UL)—
Median（Per day）500 mgP5 50 – P95 3,000
Products569
Sources: internal: supp.db label distribution (DSLD/LNHPD/NPRA/brand sites), dose_stats s · no authoritative UL; hard_high = max(median x 10^max(2, 5*MAD_log10), 10 x P95); P95=3000; median=500 mg, MAD_log10=0.51
Daily dose across products（mg/day）
2.5 mglog scale · n=5696,000 mg
Label data from official national databases and brand websites, as declared; not lab-verified.
Top ranked
| Rank | Brand | Product | Per day | Score |
|---|---|---|---|---|
| 1 | Pure Encapsulations | Glycine | 3,000 mg | 85.0 |
| 1 | Thorne | Glycine | 3,000 mg | 85.0 |
| 1 | Puritan's Pride | Glycine 3000 mg | 3,000 mg | 85.0 |
| 1 | Douglas Laboratories | Glycine 500 mg | 500 mg | 85.0 |
| 1 | Carlson | Glycine Powder | 2,000 mg | 85.0 |
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.