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Adrenal Fatigue and Low Energy: 5 Supplements Held to 5 Checks

Updated on Oct 6, 2026
Medically reviewed by Dr. Sara Alisha Khan, MD, PGDMLE— Written by Dr. Sara Alisha Khan, MD, PGDMLE
Updated on Oct 6, 2026

Table of contents

  1. Adrenal fatigue and daily energy
  2. The 5 checks that matter
  3. How the top 5 compare
  4. The 5 best energy supplements, ranked
  5. The proof behind our #1
  6. Questions before you buy
  7. The bottom line

You searched adrenal fatigue because you want steady energy back, so we scored five daily options on five checks.

You've read about it. You've probably tried a supplement or two already.

You compare labels before you buy. Careful buyers do.

We make one of these.

So we held all five to the same checks we built ours to pass.

First, where daily energy comes from. Then the checks. Then the ranking.

Adrenal fatigue and daily energy

Step 1
Adrenal fatigue is the name many people give to feeling run down for weeks at a time.
Step 2
Your adrenal glands help your body respond to stress. The energy you spend all day is made inside your cells.
Step 3
Your cells use NAD+ to make it. NAD+ falls with age.
Step 4
In skin from 49 people aged 0 to 77, levels were lower in older adults.

Bottles sold for adrenal support often use herbs like ashwagandha and rhodiola. Others work at the cell level, with NMN, NR or urolithin A.

On this shelf, the proof varies more than the labels do.

Many list a dose but no human trial that measured energy at that dose. Many say "pure" without a number. Some put amounts inside a blend.

And some refund only a bottle you haven't opened. You can't know how a supplement feels until you take it.

Of the five bottles below, only one prints a purity number.

The 5 checks that matter

Use these on any bottle, ours included.

1
Trials that measured energy
The main ingredient was tested in placebo-controlled human trials that measured a physical outcome, like walking distance, aerobic capacity or muscle strength. The label dose sits inside the range those trials used.
2
Purity as a number
A purity percentage for the main ingredient, published by the brand. "Pure" is a word. 99% is a number.
3
Lab proof every batch
Every batch checked by a lab for strength, heavy metals and microbes. A named seal, like NSF, also passes.
4
Every amount in mg
Each active listed in mg on a label you can read. No blend that hides single amounts.
5
A refund on an opened bottle
A money-back guarantee of 30 days or more that covers a bottle you've opened.

Ties go to the lower cost per day.

How the top 5 compare

Product Energy trials Purity % Batch lab Amounts in mg Opened refund Passed Key dose Cost/day
Omre NMN + Resveratrol
Our pick 		✓ ✓ ✓ ✓ ✓ 5 of 5 500 mg NMN $2.30
Nutricost NMN ✓ – – ✓ ✓ 3 of 5 500 mg NMN $0.73
Timeline Mitopure Softgels ✓ – ✓ ✓ – 3 of 5 500 mg urolithin A $3.30
Gaia Herbs Adrenal Health Daily Support – – ✓ – ✓ 2 of 5 Herbal extracts and blend $1.06
Tru Niagen 300mg – – ✓ ✓ – 2 of 5 300 mg NR $1.63

Swipe the table sideways to see every column →

One-time price ÷ 30 servings, at time of writing, checked Oct 2026.

The 5 best energy supplements, ranked

Quick answer

Our pick is Omre NMN + Resveratrol, the only one of the five that passes every check.

✓ 500 mg NMN, inside the trial range ✓ NMN over 99% pure ✓ Every batch tested twice ✓ $2.30 a day

1. Omre NMN + Resveratrol: Passes all five checks

Our pick · 5 of 5 checks
✓ Energy trials ✓ Purity % ✓ Batch lab ✓ Amounts in mg ✓ Opened refund
Dose
500 mg NMN + 500 mg micronized trans-resveratrol + 5 mg BioPerine® per 2 capsules
Purity proof
NMN over 99%, resveratrol 98%. Every batch independently tested for dose, purity, heavy metals and microbes.
Cost per day
$2.30 ($69 ÷ 30 servings), or $2.19 on monthly Autoship
Guarantee
30-day money-back guarantee

"I can tell if I forget taking it in the morning, amazing energy whole day."
Ruth B., verified buyer

In 80 healthy middle-aged adults, NMN at 300 to 900 mg a day raised blood NAD+ over 60 days. Six-minute walking distance improved compared with placebo. Our 500 mg sits inside that range.

NMN is paired with 500 mg of micronized trans-resveratrol, which supports NAD+-dependent sirtuin pathways. BioPerine® is added for absorption.

Every batch is tested twice: raw ingredients first, then finished capsules.

See the formula that passes all five checks →

2. Nutricost NMN: Same NMN dose, fewer receipts

3 of 5 checks passed
✓ Energy trials – Purity % – Batch lab ✓ Amounts in mg ✓ Opened refund
Dose
500 mg NMN per 2 capsules
Purity proof
NMN purity not published. "3rd Party Tested by ISO-accredited Laboratories."
Cost per day
$0.73 ($21.97 ÷ 30 servings)
Guarantee
60-day money-back guarantee, minus shipping; the first bottle may be opened
Where it's strong: the same 500 mg NMN dose, with a guarantee that covers your first opened bottle.
Where it falls short: purity and lab scope. No purity percentage, and no heavy-metal or microbe testing named on its product page, checked Oct 2026.

3. Timeline Mitopure Softgels: Strength trials, NSF seal

3 of 5 checks passed
✓ Energy trials – Purity % ✓ Batch lab ✓ Amounts in mg – Opened refund
Dose
500 mg urolithin A (Mitopure) per 2 softgels
Purity proof
Purity percentage not published. NSF Certified for Sport.
Cost per day
$3.30 ($99 ÷ 30 servings)
Guarantee
30-day money-back guarantee; opened-bottle terms not stated
Where it's strong: urolithin A at a dose that improved muscle strength in middle-aged adults over 4 months, plus an NSF seal.
Where it falls short: purity and refund. No purity percentage on its product page, and the page doesn't say an opened bottle qualifies, checked Oct 2026.

4. Gaia Herbs Adrenal Health Daily Support: Organic herbs, blend label

2 of 5 checks passed
– Energy trials – Purity % ✓ Batch lab – Amounts in mg ✓ Opened refund
Dose
Rhodiola and holy basil extracts, plus a blend of milky oats, holy basil, schisandra and ashwagandha, per 2 capsules
Purity proof
Purity percentage not published. Every product tested for microbes and heavy metals in its own ISO-certified lab.
Cost per day
$1.06 ($31.94 ÷ 30 servings)
Guarantee
45 days on the unused portion, minus a return fee
Where it's strong: Regenerative Organic Certified milky oats from its own farm, and its own lab testing.
Where it falls short: trials, purity and amounts. The study its page cites measured stress scores and sleep. Its label is an image we couldn't read, and the ingredient list names a blend, checked Oct 2026.

5. Tru Niagen 300mg: Lot reports, single ingredient

2 of 5 checks passed
– Energy trials – Purity % ✓ Batch lab ✓ Amounts in mg – Opened refund
Dose
300 mg NR (Niagen®) per capsule
Purity proof
NR purity not published. Every lot tested for potency, heavy metals and microbes, with lot reports online. NSF Certified for Sport.
Cost per day
$1.63 ($49 ÷ 30 servings), or $1.31 on subscription
Guarantee
Refunds within 30 days on sealed, unopened bottles only
Where it's strong: a lab report for every lot. NR raised blood NAD+ in 140 healthy adults aged 40 to 60.
Where it falls short: trials, purity and refund. Its product page cites blood NAD+ results and no physical-energy trial, prints no purity percentage, and refunds sealed bottles only, checked Oct 2026.

The proof behind our #1

Omre was founded by Dr. Pedram Kordrostami, a London-trained medical doctor who practiced in the NHS, for his family.

Every batch is tested twice before it reaches you.

Raw ingredients first, then finished capsules, for dose, purity, heavy metals and microbes. The third-party test results are on the product page.

Made in the USA in a GMP-certified, FDA-registered facility.

200,000+
customers
8 million+
doses sold
4.7 ★
from 1,500+ reviews
30-day
money-back guarantee

Featured in Forbes · Yahoo Life · GQ · Healthline

Fortune named it the Best Vegan NMN Supplement of 2026.

HSA/FSA eligible through Truemed.

Reviewers notice more than energy. Asked what changed, 173 chose less brain fog and 118 chose better recovery.

See the lab report on the product page →

Questions before you buy

Should I see a doctor first?

If you've felt run down for weeks, yes. A checkup comes first. Bring the label of anything you take, so your doctor sees the full picture.

Can I take it with my medications?

Do not use it if you are pregnant, nursing or under 18. On prescription medication, especially blood thinners, blood pressure or diabetes medication? Ask your doctor first.

Why pay more than a cheaper bottle?

Nutricost NMN is $0.73 a day and passes three checks. Omre is $2.30 a day and passes five, including a purity number and batch tests for heavy metals and microbes. In our last customer survey, 93% said evidence matters more to them than price.

Yes. In September 2025, the FDA confirmed NMN is not excluded from the definition of a dietary supplement. Like every supplement, NMN is not FDA-approved.

Do I have to subscribe?

No. One-time purchase is $69. Autoship & Save takes 5% off 1 month, 10% off 3 months, or 20% off 6 months. Cancel, skip or pause anytime.

The bottom line

Choose the bottle that passes the most checks. Then compare price.

Omre NMN + Resveratrol is the only one of the five that passes all five. Its 500 mg of over 99% pure NMN sits inside the trial range, and every batch is tested twice. 30-day money-back guarantee.

Choose your supply below, one-time or Autoship. ↓

Medically reviewed by
Dr. Sara Alisha Khan, MD, PGDMLE

Sara Alisha Khan, MD is a physician and medical reviewer with experience in clinical care, telemedicine, and medical AI. She is currently a Project Consultant at AIIMS (All India Institute of Medical Sciences), New Delhi, and has supported medical AI diagnostic projects, including fetal ultrasound imaging. At OMRE, she reviews health content for clinical accuracy, safety, and evidence alignment. She currently works for Omre as an advisor.

Table of contents

  1. Adrenal fatigue and daily energy
  2. The 5 checks that matter
  3. How the top 5 compare
  4. The 5 best energy supplements, ranked
  5. The proof behind our #1
  6. Questions before you buy
  7. The bottom line
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol

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NMN + Resveratrol

NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol
NMN + Resveratrol

MD-formulated NAD+ booster with 500mg 99% pure NMN, 500mg 98% pure micronized trans-resveratrol, and 5mg BioPerine® for daily cellular energy, healthy aging, and vitality support. All at research-backed doses.*

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Supply
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“As a medical professional, I value Omre’s focus on evidence-based supplementation and bioavailable ingredients. It’s refreshing to see a brand that prioritizes clarity, trust, and real results.”
Dr. Sara Alisha Khan
Medical Doctor (MD)
Real People, Real Results
Suggested Use

Take 2 capsules in the morning, with food, for best results.

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4.7
Rated 4.7 out of 5 stars
Based on 1,543 reviews
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1,543 reviews
  • DM Profile picture for Daniel M.
    Daniel M.
    Verified Buyer
    Reviewing
    NMN + Resveratrol
    I recommend this product
    Age Range 55-64
    Gender Male
    How Longevity Helped? More Energy
    Rated 5 out of 5 stars
    3 years ago
    This stuff changed my life!!!!!

    Ok, this was recommended to me by my doctor - yes, you heard that right! My actual doctor told me to start taking this - This EXACT brand! Because it has the Resvirotrol (spelling?) also in it which she said was important.

    Normally I don’t go for these types if things but I trust my doctor implicitly so I ordered it.

    I’ve been taking two pills per day for one month now… let me tell you what’s been happening to my body…

    I’m a 56 year old guy - I workout a lot - I’m a retired Airline Pilot and I’ve always been I pretty good shape but this stuff has rocketed me into a new sphere of training I though I had left behind 35 years ago! Yes, it’s that good!

    Since taking this stuff my workouts last 50% longer and they’re at least 50% more intense!!! I’m not exaggerating!!!!! Even my wife has noticed! I lift heavier, my hikes are way longer and I don’t experience DOMS afterwards.

    Somehow I have more energy during the day and it lasts all day. Mind officially blown!!!

    This stuff works! I am SO grateful that my doc recommended this to me… it’s not cheap! But I’ll be buying this forever!

    BTW - I’m not paid or endorsed in any way by these guys or their company! I don’t know them in any way and I have zero connection to them other than getting my order in the mail from them. (Shipping was not extremely fast though - that sucked).

    This stuff is amazing!!!!! Anyone reading this - try it! You can thank me later.

    D.M.

    EfficacyRated 5.0 on a scale of 1 to 5
    Ease of UseRated 5.0 on a scale of 1 to 5
    ValueRated 4.0 on a scale of 1 to 5
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  • AL
    ANDREW L.
    Verified Buyer
    Reviewing
    NMN + Resveratrol
    I recommend this product
    Age Range 65+
    Gender Male
    How Longevity Helped? More Energy
    Rated 5 out of 5 stars
    2 years ago
    Living more!

    Great product I feel full of energy now that I’m taking NMN

    EfficacyRated 5.0 on a scale of 1 to 5
    Ease of UseRated 5.0 on a scale of 1 to 5
    ValueRated 4.0 on a scale of 1 to 5
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  • EM
    Eileen M.
    Verified Buyer
    Reviewing
    NMN + Resveratrol
    I recommend this product
    Age Range 45-54
    Gender Female
    How Longevity Helped? More Energy
    Rated 5 out of 5 stars
    3 years ago
    Staying youthful!

    I’ve been told I don’t look my age at 53, I do take care of myself from the inside out! I’m adding this NMN+RESVERATROL to my regimen to staying youthful & more. I have been taking a month now & plan on sticking to it♥️

    EfficacyRated 5.0 on a scale of 1 to 5
    Ease of UseRated 5.0 on a scale of 1 to 5
    ValueRated 4.0 on a scale of 1 to 5
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  • CL
    Cheryl L.
    Verified Buyer
    Reviewing
    NMN + Resveratrol
    I recommend this product
    Age Range 55-64
    Gender Female
    How Longevity Helped? More Energy, Easy dosing
    Rated 5 out of 5 stars
    2 years ago
    Renewed Energy and Life Force

    I was told I have autoimmune Hashimoto's in 2020 after I got COVID at 56 years old. I can't even begin to tell you how bone numbing and cell deep my fatigue was, and even worse, NOTHING helped. Not medication, doctors, handfuls of supplements, acupuncture, or Reiki. I could barely get off my couch or out of my bed just to purchase a few groceries , or take a shower. I thought that was going to be my life, forever, which dropped me into depression and a feeling of utter hopelessness. I researched and researched on my own and decided I'd give one more thing a shot, and that was OMRE's Resveritrol and NMN. Within 5 days of taking my first two pills, after being so ill for three years, I had the energy to get out of bed, take a shower, and I actually cooked myself a meal. Within two weeks, I could do that, AND mow my yard, or work a normal day without having to take a nap. Best of all, I actually WANTED to get up, where prior to taking the supplements, I didn't even want to wake up, let alone try to do anything more than just breathe. This supplement gave me a large portion of my life back. I still have a few “down days” a month because Hashimoto's doesn't just go away, but those days are days where all I do is take a nap, and resume my normal life straight away after it. Yes, they are on the expensive side (and being on a low fixed retirement income, hard to afford), but the benefits far, far outweigh the price. I couldn't recommend trying something more than I do this…

    EfficacyRated 5.0 on a scale of 1 to 5
    Ease of UseRated 5.0 on a scale of 1 to 5
    ValueRated 5.0 on a scale of 1 to 5
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  • SE
    stephen e.
    Verified Buyer
    Reviewing
    NMN + Resveratrol
    I recommend this product
    Age Range 55-64
    Gender Male
    How Longevity Helped? Easy dosing
    Rated 5 out of 5 stars
    2 years ago
    Longevity and energy

    I bought these after reading others reviews and the independent testing that’s been done. I follow David Sinclair and his approach for longevity and health.

    It’s early days, just over a month so far I feel good, my skin appears clearer and I don’t appear to have any side affects.

    I’ll continue with the capsules.

    EfficacyRated 4.0 on a scale of 1 to 5
    Ease of UseRated 5.0 on a scale of 1 to 5
    ValueRated 4.0 on a scale of 1 to 5
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