NAD+
$56 USD

The Sunlight Pair
Vitamin D3 supports your bones and immune system, and K2 helps the calcium you absorb reach the places that need it.
In stock
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★ 4.4 · Excellent on TrustpilotConsidered support, one honest habit at a time.
Vitamin D3 supports healthy calcium absorption, and K2 as MK-7 supports the normal process that carries calcium toward bone. The pair is designed to work as a team.
Vitamin D plays a well-known role in normal immune function. A consistent daily capsule keeps this foundation covered year round, whatever the season.
D3 and K2 absorb best when taken with food, and the formula includes BioPerine black pepper fruit extract, included to support nutrient absorption.
One small veggie capsule, no taste, no prep. The kind of foundation that is easy to keep for the long haul.
One considered day
Illustrative only: a picture of where a routine can sit across the day, not a measurement of anything.
Three small decisions, then the routine runs itself.
1 Veggie Capsule daily
Morning or midday, with a full meal, since D3 and K2 absorb best when taken with food.
Consistency matters more than timing. Keep the bottle where you eat breakfast and it becomes automatic.
What building the habit tends to look like, month by month.
The first weeks are about the habit itself. These nutrients work quietly in the background, so expect nothing dramatic, just a routine that starts to feel automatic.
The capsule stops being a decision. Your daily foundation is simply covered, on cloudy weeks and busy ones alike.
This is long-haul territory. D3 and K2 have settled into how you look after your future self, one small capsule at a time.
Everyone settles in differently. These months describe the rhythm of a habit, not a promised result.
Every ingredient is listed on the Supplement Facts panel printed on the bottle, and nothing is added the formula doesn't need.
Chosen to sit alongside Vitamin D3 + K2 in the same daily routine.

its mineral-rich partner in The Radiance Set

completes The Radiance Set's daily foundation

another quiet cornerstone mineral for the long haul
The Stacks
Every Cobalt product is designed to belong to a larger routine. See the full stack and how the pieces fit together.
Independent, site-wide reviews of The House of Cobalt, collected on Trustpilot.
Read the reviews on TrustpilotWhy it earns its shelf
Every active in the house is used in its clinically studied form, the version that appears in the research, not a lookalike.
The label tells you exactly what is inside and how much. That is the whole point of a supplement you take every day.
Every batch is tested by an independent lab for identity, purity, and heavy metals before it reaches you.
Full transparency
Nothing hidden and nothing to decode. The full supplement facts panel is printed on every label, with each ingredient and its exact amount listed in plain sight.
Our standards
The first ninety days
No countdowns and no promises about week three. Everyone's rhythm is their own. This is simply how a good daily routine tends to take shape.
Take it at the same moment every day, next to something you already do. Coffee, teeth, lights out. The pairing does the remembering for you.
Consistency is the whole game with daily supplements. Somewhere in here the bottle stops being a decision and starts being part of the scenery.
You reorder before you run out, and the routine keeps running quietly in the background. A steady daily habit, kept for the long game.
Curious about what is inside and why? Read the science or browse the ingredient library. Not sure this is your formula? Take the quiz.
Complete the routine
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your physician before beginning any new supplement.