hydrolysed collagen

Reported Doses

Safety/efficacy may not be established; reported doses may be derived from limited or potentially inadequate studies with variable regimens, multi-ingredient products, or where concentration of active ingredients may vary widely

Effectiveness Ratings

[see Herb & Supplement Effectiveness Rating Definitions table]

aging skin

[Possibly Effective]

Dose: 0.372-12 g PO qd; Alt: apply 1% gel topically bid

androgenic alopecia

[Insufficient Evidence]

Dose: 300 mg PO qd; Info: used with conventional tx

athletic performance

[Insufficient Evidence]

Dose: 7.5 g PO bid; Alt: 20 g PO qd

atopic dermatitis (eczema)

[Insufficient Evidence]

Dose: 3.9 g PO qd; Alt: apply cream topically bid

brittle nails

[Insufficient Evidence]

Dose: 2.5 g PO qd

burns

[Insufficient Evidence]

Dose: 36-40 g PO qd

cellulite

[Insufficient Evidence]

Dose: 2.5 g PO qd

cognitive function

[Insufficient Evidence]

Dose: 5 g PO qd

diabetes mellitus, type 2

[Insufficient Evidence]

Dose: 6.5 g PO bid; Info: used with standard tx

dry skin

[Possibly Effective]

Dose: 0.372-12 g PO qd; Alt: apply cream topically bid

erythema

[Insufficient Evidence]

Dose: 2000 mg PO qd

exercise-induced muscle soreness

[Insufficient Evidence]

Dose: 900 mg PO bid before exercise; Alt: 10 g PO qd

gingivitis

[Insufficient Evidence]

Dose: 5 g PO qd

HTN

[Insufficient Evidence]

Dose: 6.5 g PO bid; Alt: 2.9-5.2 g PO qd

insomnia

[Insufficient Evidence]

Dose: 15 g PO qhs given 1h before desired bedtime

joint pain

[Insufficient Evidence]

Dose: 4-10 g PO qd; Alt: 1.25 g PO bid

knee pain

[Insufficient Evidence]

Dose: 2 g PO qd

obesity

[Insufficient Evidence]

Dose: 2 g PO qd

osteoarthritis

[Insufficient Evidence]

Dose: 10 g PO qd; Alt: 5 g collagen peptides in 250 mL water or milk PO bid; 0.6 g PO bid

osteopenia

[Insufficient Evidence]

Dose: 5 g PO qd

pressure ulcer

[Insufficient Evidence]

Dose: 5 g PO bid-tid

sarcopenia

[Insufficient Evidence]

Dose: 15 g PO qd

sprains

[Insufficient Evidence]

Dose: 5 g PO qd

tendinopathy

[Insufficient Evidence]

Dose: 2.5 g PO qd

wound healing

[Insufficient Evidence]

Dose: 3 g PO qd

wrinkled skin

[Insufficient Evidence]

Dose: 0.6-2 g PO qd