These problems usually happens when there are insufficient blood flows to the fingers and toes, or due to compression of nerves leading to the extremities. These are common conditions happened to Vitamin B12 100 µg (US RDA 6.0 µg).
Neurovit 100 Tablets Vitamin B1, B6 & B12 for Numbness,Nerve Relief & Tingling
Amway NUTRILITE Vitamin B Yeast Plus 100 Tablets Vitamin B Supplement
New HealthAid Vitamin B6 Pyridoxine HCl 10mg 100 Tablets Vitamin B Fast Shippin
MULTI-B Strong 100 Tablets Vitamin B Complex For General Wellness
Lamberts - 100 Tablets Vitamin B6 50mg (Pyridoxine)