PQQ

1 brand compared · cheapest first

Life Extension

PQQ Caps 10 mg

10 mg PQQ disodium · 60 capsules

$15.00for 60 doses

$0.250per dose

$0.025 / mg

View on Amazon

Best value (10mg PQQ). 20mg version (B00B35AB4Q, $20.88/30 caps) for higher dose. Stacks well with CoQ10.

Also worth a look

Doctor's Best PQQ

Thorne and Pure Encapsulations don't carry standalone PQQ. LE Super Ubiquinol CoQ10 with PQQ (B00DBYI6RQ, $33.75/30 softgels) combines them. **Standalone PQQ alternatives**: Doctor's Best PQQ, Jarrow PQQ, BioPQQ-branded products.