Elahy M, Jackaman C, Mamo JC, Lam V, Dhaliwal SS, Giles C, et al
In many cases, these run down people try to take a bunch of energy supplements or energy drinks in order to get out of their rut
If a deficiency does not exist, supplementing Vitamin B12 will likely not have the same positive effect. B12 injections are available, for $15 to $50 a pop, at spas and wellness centers, but its smart to talk to your physician before you spend money on them

Daily 3 Capsules CoQ10 Cellular Energy Production* Supports Cardiovascular Health Boosts Antioxidant Activity Promotes Neurological Health Maintains Healthy Blood Sugar Balance Enhanced Cellular Energy and Physical Performance Active Ingredients: Coenzyme Q10 Other Ingredients: Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide, Vegetable Capsule (Hypromellose) Take 1 capsule daily or as directed by your healthcare provider Daily 1 Capsule DEFEND Foundational Combination of Vitamins A, D, & K2* Supports Healthy Calcium Deposition in Bones & Teeth Promotes Broad Immune System Activation Supports Healthy Levels of Oxidation within Blood Vessels Aids in the Metabolism of Lipids Active Ingredients: Vitamin A, Vitamin D, Vitamin E, Vitamin K2 MK-7, AstraGin (Astragalus membranaceus and Panax notoginseng) Root Extracts Other Ingredients: Nuflow, Vegetable Capsule (Hypromellose) Take 1 capsule daily or as directed by your healthcare practitioner

The way I understand it is, the five different hubs, different nutrients hit them