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Brad Stanfield

Brad Stanfield

MD, General Practitioner

General Practitioner based in Auckland, New Zealand, specializing in preventative medicine and longevity. Runs a popular YouTube channel focused on evidence-based supplement and health advice. About

21supplements discussed
Protocol:4 morning4 evening13 flexible

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Current Stack

21 supplements

Vitamin D3

Price Comparison
From $0.03/ct
N
Nature MadeBest Value
4.8
•300 ct

$0.03/ct

$7.64 total

Buy
N
Nature's Bounty
4.8
•150 ct

$0.04/ct

$5.41 total

Buy
N
NOW Foods
4.8
•240 ct

$0.04/ct

$8.54 total

Buy
Price Comparison
From $0.05/ct
N
NutricostBest Value
4.6
•500 ct

$0.05/ct

$22.52 total

Buy
L
Life Extension
4.6
•120 ct

$0.11/ct

$13.50 total

Buy
N
NOW Foods Creatine Monohydrate 1kg
4.5
•200 ct

$0.11/ct

$21.99 total

Buy

Magnesium

Evening, 30-60 min before bed
Price Comparison
From $0.08/ct
N
NutricostBest Value
4.7
•180 ct

$0.08/ct

$14.95 total

Buy
N
NatureBell
4.7
•240 ct

$0.08/ct

$19.95 total

Buy
D
Double Wood Supplements
4.7
•180 ct

$0.09/ct

$16.99 total

Buy

Fiber

25-38g
With meals
Price Comparison
From $0.08/ct
N
NOW FoodsBest Value
4.5
•240 ct

$0.08/ct

$18.71 total

Buy

Omega-3 Fatty Acids (EPA)

Price Comparison
From $0.07/ct
N
NOW FoodsBest Value
4.7
•180 ct

$0.07/ct

$12.84 total

Buy
N
Nutricost
4.7
•240 ct

$0.12/ct

$27.95 total

Buy
N
NatureWise
4.7
•60 ct

$0.17/ct

$9.99 total

Buy
Price Comparison
From $0.07/ct
M
Micro IngredientsBest Value
4.6
•240 ct

$0.07/ct

$17.96 total

Buy
V
Vital Vitamins
4.6
•150 ct

$0.16/ct

$23.95 total

Buy
C
Codeage
4.4
•90 ct

$0.39/ct

$34.99 total

Buy
With meals
Price Comparison
From $0.10/ct
Horbäach logo
HorbäachBest Value
4.6
•150 ct

$0.10/ct

$15.49 total

Buy
B
BulkSupplements
4.4
•240 ct

$0.10/ct

$22.96 total

Buy
V
Vitamatic Hyaluronic Acid 200mg
4.6
•120 ct

$0.14/ct

$16.99 total

Buy

Caffeine

Price Comparison
From $0.04/ct
N
NutricostBest Value
4.5
•500 ct

$0.04/ct

$18.95 total

Buy
B
BulkSupplements
4.4
•500 ct

$0.04/ct

$21.96 total

Buy
P
ProLab
4.5
•200 ct

$0.06/ct

$11.99 total

Buy

Melatonin

Price Comparison
From $0.04/ct
N
NOW FoodsBest Value
4.7
•180 ct

$0.04/ct

$6.74 total

Buy
N
Nutricost
4.6
•240 ct

$0.04/ct

$10.00 total

Buy
Carlyle logo
Carlyle
4.6
•120 ct

$0.07/ct

$8.98 total

Buy

Vitamin K2

Price Comparison
From $0.05/ct
Carlyle logo
CarlyleBest Value
4.7
•240 ct

$0.05/ct

$11.99 total

Buy
N
Nutricost
4.7
•240 ct

$0.06/ct

$14.95 total

Buy
N
NOW Foods
4.7
•120 ct

$0.15/ct

$18.22 total

Buy

Vitamin A

With meals

No pricing data available. View expert evidence

Electrolytes

No pricing data available. View expert evidence

With meals
Price Comparison
From $0.06/ct
D
Double WoodBest Value
4.6
•180 ct

$0.06/ct

$11.35 total

Buy
N
Nutricost
4.5
•120 ct

$0.08/ct

$9.95 total

Buy
Swanson logo
Swanson
4.4
•90 ct

$0.12/ct

$11.09 total

Buy

Vitamin C

Price Comparison
From $0.06/ct
N
NutricostBest Value
4.8
•240 ct

$0.06/ct

$13.95 total

Buy
N
NOW Foods
4.8
•250 ct

$0.07/ct

$18.50 total

Buy
NutriFlair logo
NutriFlair
4.8
•180 ct

$0.12/ct

$21.99 total

Buy

Vitamin B3

With meals, split into two doses
Price Comparison
From $0.21/ct
N
NOW FoodsBest Value
4.6
•100 ct

$0.21/ct

$20.78 total

Buy
Price Comparison
From $0.02/ct
N
NOW FoodsBest Value
4.6
•500 ct

$0.02/ct

$9.90 total

Buy
MEMBER´S MARK logo
MEMBER´S MARK
4.7
•400 ct

$0.04/ct

$16.25 total

Buy
N
Nutricost
4.5
•500 ct

$0.04/ct

$19.95 total

Buy
Price Comparison
From $0.06/ct
B
BulkSupplementsBest Value
4.5
•360 ct

$0.06/ct

$21.96 total

Buy
D
Double Wood
4.7
•300 ct

$0.07/ct

$19.95 total

Buy
N
NOW Foods
4.6
•100 ct

$0.09/ct

$8.54 total

Buy

Multivitamin

Price Comparison
From $0.11/ct
L
Life ExtensionBest Value
4.5
•120 ct

$0.11/ct

$13.60 total

Buy
N
Nutricost
4.6
•120 ct

$0.12/ct

$14.95 total

Buy
N
NOW Foods
4.5
•90 ct

$0.17/ct

$14.99 total

Buy

Taurine

500mg-2g
Morning
Price Comparison
From $0.05/ct
N
NutricostBest Value
4.6
•400 ct

$0.05/ct

$19.95 total

Buy
Pure Encapsulations logo
Pure Encapsulations
4.7
•120 ct

$0.29/ct

$35.00 total

Buy
Metagenics logo
Metagenics
4.4
•120 ct

$0.53/ct

$63.95 total

Buy

Zinc

Price Comparison
From $0.07/ct
N
NutricostBest Value
4.7
•240 ct

$0.07/ct

$17.95 total

Buy
L
Life Extension
4.7
•90 ct

$0.08/ct

$6.75 total

Buy
N
NOW Foods
4.7
•250 ct

$0.08/ct

$19.77 total

Buy
Price Comparison
From $0.04/ct
M
Micro IngredientsBest Value
4.6
•720 ct

$0.04/ct

$25.95 total

Buy
N
NOW Foods
4.6
•120 ct

$0.10/ct

$12.11 total

Buy
N
Nutrex
4.6
•180 ct

$0.17/ct

$29.99 total

Buy

Supplement Timeline

230 episodes across 7 years

2026
2025
2024
2023
2022
2021
2020

All Sources

1416 references from 260 podcast episodes

5 Supplements with STRONG Evidence of Benefit

20 references · Sep 29, 2025

Watch
Best practiceVitamin D39:39

“They suggest that for most of us, 800 international units is absolutely fine. That's all that we need.”

“With recent hype about vitamin D supplements, we need to be aware that it is possible to get too much. Those with higher doses didn't improve outcomes; in fact, they made things worse.”

The One Supplement EVERYONE Should Take

19 references · Dec 16, 2023

Watch

“Magnesium affects the concentrations of the active form of vitamin D, which are major regulators of bone status.”

“Increasing magnesium intakes from food or supplements may increase bone mineral density in postmenopausal and elderly women.”

The Only Supplements That ACTUALLY Work

19 references · Nov 19, 2024

Watch

“Multiple randomized clinical trials showing that hyaluronic acid improves skin wrinkles.”

“The group who took the supplement compared to the placebo had a statistically significant benefit on global cognition and the supplement was a multivitamin and mineral supplement.”

The Only Three Supplements I Take

18 references · Jul 20, 2025

Watch

“Bone density in the wrist decreased by 2.4% in the 4,000 international unit group and 3.5% in the 10,000 international unit group.”

Reported useVitamin D311:02

“Overall, I wanted to supplement with 1,000 international units.”

This Study Proved We Were WRONG About Vitamin D

17 references · Apr 9, 2025

Watch
Best practiceVitamin D32:39

“Adults up to 50 years of age should generally get at least 600 international units of vitamin D a day.”

“It's also a key regulator of processes related to immune function, muscles, cell growth, and how we process glucose.”

View full sources page

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