Golden Brain is priced across three tiers — worth seeing all three together before choosing one.
2 Bottles: $79/bottle, $158 total plus $9.99 shipping. 3 Bottles: $69/bottle, $207 total, free US shipping. 6 Bottles: $49/bottle, $294 total, free US shipping.
This site is direct that these discounts are set by the seller and can change without notice — worth confirming the final price at checkout regardless of which tier you choose.