I was dragging thru the day and even felt like nodding off while driving. That was it. I tried Vital Factors because my friend said it gave her back her natural youthful energy. Within the first two days of me taking the drink, I was no longer getting tired. I felt more alert and had more focus to get more done. I also found I slept better. So grateful I found you. I will tell all my friends that aging doesn’t have to slow us down. Try MDR Vital Factors!
Daily energy support — without caffeine
Feel clearer, steadier, and less drained — without caffeine.
VitalFactors is a doctor-designed daily effervescent drink with NAD support, amino acids, antioxidants, B vitamins, and vitamin D3 — formulated to support daily energy, focus, and healthy aging without the stimulant crash.
- No caffeine, no jitters, no 2 PM crash.
- B12 at 8,333% DV plus a complete B-complex for cellular energy.
- One glass of water in the morning — that's the routine.

- Doctor-designed
- No caffeine
- 40 tablets per box
- Free shipping
- 90-day return window
- MDR since 1984
What changes
Three things to expect.
Steadier daytime energy
Methylcobalamin B12 (8,333% DV) and a full B-complex provide the cofactors involved in normal cellular metabolism — the way your body actually makes energy.
Clearer focus
An amino-acid blend plus B-vitamins and vitamin D3 supports mental clarity through nutrition rather than stimulation, so focus doesn't come with a crash.
No afternoon crash
No caffeine, no sugar, no synthetic stimulants. The only thing you'll feel coming down at 2 PM is your second glass of water.
Choose how you want to start
One box. No surprises.
Most people start with one box to see how they feel. Subscribe later if you want to keep going — never the other way around.
Free shipping · 90-day return window · Ships in 24h
- 40 effervescent tablets · 20 daily servings
- No subscription · charged once
- Free shipping · 90-day return window
How it works
Built for the morning, not the buzz.
Two effervescent tablets in a glass of water before breakfast. That's the entire ritual.
- 01
Drop two tablets in 8 oz of water
Stir, let them dissolve, drink. The effervescent format puts the actives into solution your stomach can absorb directly.
- 02
5 days on, 2 days off
Take your two tablets in the morning Monday through Friday, then take a two-day break. The rhythm keeps the body responsive.
- 03
Give it about 30 days
Most customers report feeling steadier energy and clearer focus inside the first month of consistent use.
Why this is different
It's not an energy drink. It's daily nutrition.
Energy drinks borrow energy from tomorrow with caffeine and sugar. VitalFactors does the opposite — it provides nutrients involved in how your cells actually produce energy.
| Feature | VitalFactors | Caffeinated energy drink |
|---|---|---|
| Caffeine | None | 80–300 mg |
| Sugar | Zero | Often 25–55 g |
| B12 (Methylcobalamin) | 200 mcg · 8,333% DV | Often synthetic cyanocobalamin or none |
| Amino acids for recovery | ||
| Antioxidant defense (Resveratrol, SOD) | ||
| Crash potential | None | High |
| Doctor-formulated |
What you're actually drinking
The energy stack, in plain English.
No mystery proprietary blends. Here are the ingredients on the label that do the work — full quantities are on the Supplement Facts panel below.
Nicotinamide Riboside Chloride
NAD⁺ precursorA clinically studied NAD⁺ precursor — supports cellular NAD⁺ levels involved in how cells make energy.
CoQ10
Coenzyme central to mitochondrial energy production — supports cellular energy.
Amino-acid blend
L-Arginine, Glycine, L-Glutamine, L-Lysine, L-OrnithineA balanced amino-acid stack traditionally used by athletes for recovery and lean muscle support.
Vitamin B12
Methylcobalamin · 8,333% DVSupports healthy brain function and red blood cells, which carry oxygen to cells.
B-complex panel
B1, B2, B6, Biotin, Folic Acid, Pantothenic AcidA complete B-vitamin panel involved in normal cellular metabolism and energy production.
Vitamin D3
CholecalciferolSupports bone, mood, and immune health — the form your body uses most efficiently.
Magnesium
Trimagnesium DicitrateMineral involved in muscle and nerve function — supports steady daytime energy.
Supplement Facts
The full label, exactly as printed.
Serving size 2 tablets · 20 servings per container. Tap below to see the complete panel with every ingredient, amount, and % Daily Value.
Customer reviews
From people who were tired of being tired.
Real reviews from verified MDR customers — pulled from the live store, filtered for energy-related feedback.
I was getting tired and needing to nap in the afternoon. I was putting off projects because I did not have the energy to tackle them. Now just one month after taking Vital Factors, I am my old me again…or i should say the YOUNGER ME again. I have more energy, mental sharpness, and don’t get tired but I fall asleep better at night. I am back to bicycling and swimming and feel healthier. Thanks for making this formula.
At age 76, I feel my absolute best when I take Vital Factors. It provides me the energy I need and the mental alertness to accomplish my goals on a daily basis. Also helps me accomplish my exercise goals.
Product easy to use, tablet dissolves easier now, and gives me more energy and focus just after a few days of starting it!
This product is awesome! MDR supplies me with energy and stamina. Builds up my immune system.
I tried out the Vital Factors to see if I could tell any difference in how I felt. I take several supplements already. After a week I could tell that I had more energy and stamina than I had been having which is one of the reasons I wanted to try it. I am now on auto-ship and looking to see if the things it says it will do actually do. But just being able to have the needed energy will keep me taking it.
Made by Medical Doctors' Research
Made by physicians, since 1984.
Medical Doctors' Research has been formulating clinician-grade supplements for over forty years. VitalFactors is the daily formula MDR doctors put together for adults who want to feel like themselves through the afternoon — without leaning on caffeine.
- · Founded in 1984
- · Doctor-formulated
- · Manufactured in cGMP-compliant US facilities
- · Used by physicians and their patients

"I take VitalFactors and give it to my patients."
Safety
Daily nutrition, taken seriously.
VitalFactors is a daily nutritional formula made of vitamins, minerals, amino acids, and well-studied botanicals — not a drug. For most healthy adults it's a straightforward addition to a daily routine.
If you take prescription medications — especially blood thinners, diabetes medications, or hormone therapies — ask your physician or pharmacist before use. If you have kidney, liver, or gastrointestinal disease, or if you're pregnant or nursing, consult your physician first.
Contains soy isoflavones (a plant-based polyphenol). Free of gluten, dairy, eggs, fish, shellfish, tree nuts, peanuts, and animal ingredients.
Risk-free to try
One box. No traps.
Cold-traffic landing pages on the internet are notorious for sneaky checkouts. We don't do that. Here's exactly what you get.
Free shipping
Every order ships free in the US, usually within 24 hours.
90-day return window
Don't feel a difference? Send it back within 90 days for a refund of the product cost.
Cancel anytime
If you choose a subscription, cancel or pause from your account in two clicks. No phone call, no fees.
FAQ
Energy questions, answered.
Most customers report feeling a difference in steadier daytime energy and clearer focus within the first few weeks of consistent use. Because VitalFactors works through nutritional support rather than a stimulant, the change builds gradually — but it's real, and it doesn't crash. If you don't feel a difference inside 90 days, send the box back.
Ready when you are
One box. One month. See how the afternoons feel.
Most people start with one box, finish it, and then decide. We make that easy on purpose.
Free shipping · 90-day return window · Cancel anytime.
