Colostrum
1 brand compared · cheapest first
Pure Encapsulations
Colostrum (40% IgG)
480 mg bovine colostrum (40% IgG) · 45 capsules
$43.00for 45 doses
$0.956per dose
$0.00199 / mg
40% IgG (high-concentration). 90 caps / 2-cap serving = 45 servings. 180-cap (B000VYVTLO, $78.50) similar per-cap.
Also worth a look
ARMRA Colostrum
Thorne and Life Extension don't currently carry standalone colostrum. **For ARMRA-style premium colostrum**: ARMRA Colostrum (premium, expensive). For cheaper: Sovereign Laboratories Colostrum, NOW Foods Colostrum.