A user controllable noncollapsible variable stream physiological dispenser for a container is disclosed which comprises a nipple having a top nipple portion which extends to an intermediate concave section which extends to a lower dome-shaped body and to a flange, the flange used for being held to a bottle by a collar, the nipple having openings formed in the top nipple portion, an open bottom provided at the flange with the nipple having a hollow body through which liquid may pass from the open bottom through the body and out the openings.
