Elderberry 500 mg - D3 1600 IU
FORTIFY FORTIFY FORTIFY FORTIFY FORTIFY FORTIFY FORTIFY

FORTIFY

9active ingredients, one bottle
Made in the USA
1600 IUvitamin D3 per serving (40 mcg)

Most immune routines are four bottles bought in a hurry in November and half-finished by January. FORTIFY puts vitamin C, D3, zinc and elderberry in one bottle, at amounts you can take every day of the year. Nine active ingredients, one daily serving, one thing to remember.

✓ Vitamin C, D3, zinc and elderberry in a single daily serving ✓ 40 mcg (1600 IU) vitamin D3, taken daily rather than as an occasional megadose ✓ Zinc at 11 mg - the adult male RDA, above the 8 mg female RDA, dosed for year-round use ✓ 60 capsules, 30 days, fits in a carry-on

Get notified when it's back

Third-party tested, every batch. Independently verified for identity, potency & purity before it ships.

FORTIFY $29.90

WHY IT WORKS

Your immune shelf is four bottles. This is one.

Go and look at it. Vitamin C from a supermarket run, a D3 bottle someone recommended, zinc from the pharmacy aisle, elderberry bought the week the school newsletter mentioned it. Four purchases, four expiry dates, four things to remember - and by February you are taking none of them. FORTIFY exists because a routine you actually keep beats a shelf you feel guilty about.

Four bottles collapsed into one

Vitamin C 180 mg, vitamin D3 40 mcg, vitamin E 15 mg, vitamin B6 1.7 mg, zinc 11 mg, elderberry 500 mg, echinacea purpurea 200 mg, citrus bioflavonoids 100 mg and L-lysine 100 mg. That is all nine, per two-capsule serving. Five of the nine - vitamin C, D3, E, B6 and zinc - have recognised roles in normal immune function. The other four are here as traditional-use botanicals and cofactors, and we say below how thin some of that evidence is. Either way, you stop managing a shelf and start taking a supplement.

Dosed for a whole year, not for panic week

The zinc is 11 mg - the adult male RDA, and above the 8 mg female RDA - not a high-dose lozenge amount you have to cycle off. The D3 is 1600 IU daily rather than a large monthly bolus. These are maintenance amounts, chosen so that taking them in March makes as much sense as taking them in November.

The evidence here is not evenly distributed

Vitamin D3 and zinc carry the strongest human trial evidence of anything in this formula. Vitamin C's famous cold-prevention claim largely failed in the general population, and echinacea's trial record is genuinely mixed. We would rather you know which ingredients are carrying the evidence than assume all nine are equal.

Built for the bag, not the bathroom shelf

One bottle survives a carry-on, a school run and a hotel nightstand. If you are the person in the household who tracks everyone else's routine, this is one fewer thing on that list - and it is the same bottle in every season.

Woman eating breakfast at a kitchen table on a weekday morning, bag and keys beside her

The Research

The two ingredients carrying the evidence, and the one you probably came for.

Vitamin D3 and zinc are why this formula is built the way it is. Vitamin C is why most people buy this category - and it is the ingredient with the least to show for itself. All three papers below are human research, and none of them studied FORTIFY.

  1. Vitamin D

    An individual-participant meta-analysis pooled 25 randomized, double-blind, placebo-controlled trials covering 11,321 people aged 0 to 95. Participants given vitamin D daily or weekly - rather than in large one-off bolus doses - had lower odds of acute respiratory tract infection (adjusted odds ratio 0.81), with the largest effect in those who started out most deficient. That research is about vitamin D as a nutrient. Nobody has studied this bottle. What the trials changed for us is the schedule: FORTIFY's D3 is 40 mcg (1600 IU) taken every morning rather than a monthly bolus. That is a dosing decision, not a claim about what it will do for you.

    Martineau AR, Jolliffe DA, Hooper RL, Greenberg L, et al. Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data. BMJ. 2017.

  2. Zinc

    Read the dose before the result. That trial gave fifty healthy adults aged 55 to 87 either 45 mg of elemental zinc or placebo daily for twelve months. FORTIFY contains 11 mg - roughly four times less, the adult male RDA and above the 8 mg female RDA, a maintenance amount built for taking every day rather than the study dose. With that in mind: the researchers reported fewer infections in the zinc group over the year, alongside lower TNF-alpha generation and lower plasma oxidative stress markers. The title of the paper below is the researchers' own summary of what 45 mg did in their trial. It is not a claim we are making about this product.

    Prasad AS, Beck FW, Bao B, Fitzgerald JT, et al. Zinc supplementation decreases incidence of infections in the elderly: effect of zinc on generation of cytokines and oxidative stress. The American Journal of Clinical Nutrition. 2007.

  3. Vitamin C

    The Cochrane review covers 29 trial comparisons and 11,306 people taking vitamin C regularly. In the general-community trials - 10,708 participants - it did not reduce how often people caught colds at all: a pooled risk ratio of 0.97 (95% CI 0.94 to 1.00). It did shorten adult episodes by around 8%. The review's authors concluded that routine mega-dose prophylaxis is not rationally justified for community use. Our 180 mg is nowhere near a mega-dose, and we are not going to use that as a defence: the incidence result did not turn on dose. The vitamin C in here covers the nutrient. If cold prevention was your reason for buying, we would rather tell you now.

    Hemila H, Chalker E. Vitamin C for preventing and treating the common cold. Cochrane Database of Systematic Reviews. 2013.

Simple as 1 · 2 · 3

Two capsules, every morning, with a full glass of water.

1

Two capsules with breakfast

Both capsules together, with 6-8 oz of water and something to eat. Food matters more here than in most formulas: vitamin D3 and vitamin E are fat-soluble, and zinc taken on an empty stomach is the single most common reason people quit a supplement like this.

2

Same time, every day

The vitamin D research is specifically about steady daily or weekly intake rather than occasional large doses, so consistency is the whole point of the format. Put the bottle where the coffee is, not in the bathroom cabinet where you will forget it exists.

3

Keep going past January

This is the step the four-bottle shelf never reaches. One bottle is 30 days at two capsules a day. Nutrient status is built over months, not over the week you feel run-down - so treat it as a background habit, not an emergency response.

How to Use How to take FORTIFY.

Adults: take two (2) capsules daily with 6-8 oz of water. One bottle contains 60 capsules - a 30-day supply at the full daily serving.

Best taken with a meal. Store in a cool, dry place with the cap closed. Do not exceed the recommended serving.

Take it with food Zinc on an empty stomach causes nausea in a fair number of people, and vitamins D3 and E absorb better alongside a meal containing some fat. Breakfast solves both problems at once.
Add up your total D3 and zinc If you already take a multivitamin, a separate D3, or a zinc lozenge, count what is in each of them before adding this. More is not better with fat-soluble vitamins and minerals, and doubling up is the easiest mistake to make here.
Year-round beats seasonal Most people buy this category in late autumn and stop by mid-winter. If you take FORTIFY at all, take it as a standing habit - the vitamin D and zinc research both rest on steady intake rather than a short burst.
Pack it, don't decant it If you travel often, keep the bottle intact and in your bag rather than moving capsules into an organizer you will leave at home. The label stays with the product that way, which matters at a border or a pharmacy counter.

Keep Building

Recommendations for you

CALM Sold out

CALM

$26.90 Subscribe & Save 15%
View product
IMMUNE+ Sold out

IMMUNE+

$7.69 Subscribe & Save 15%
View product
SHIELD Sold out

SHIELD

$29.90 Subscribe & Save 15%
View product
UNBLOAT Sold out

UNBLOAT

$19.95 Subscribe & Save 15%
View product
REST+ Sold out

REST+

$29.90 Subscribe & Save 15%
View product
NOURISH Sold out

NOURISH

$26.90 Subscribe & Save 15%
View product
RESET Sold out

RESET

$23.90 Subscribe & Save 15%
View product
REVIVE Sold out

REVIVE

$25.90 Subscribe & Save 15%
View product
ENERGY+ Sold out

ENERGY+

$39.50 Subscribe & Save 15%
View product
Warnings Warnings & safety

This is a supplement, not treatment

FORTIFY is formulated to support normal immune function as part of a daily routine. This product is not intended to diagnose, treat, cure, or prevent any disease. If you are unwell, or you are worried about symptoms, see a clinician - a capsule is not the right tool for that job, and we are not going to pretend otherwise.

Echinacea: some people should skip this one

Echinacea purpurea sits in the same plant family as ragweed and daisies, so be cautious if you react to those. If you live with an autoimmune condition or take immunosuppressant medication, talk to your doctor before taking any echinacea-containing product. That is a genuine reason to choose a different formula, and no hard feelings if you do.

Check it against what you already take

This contains 1600 IU of vitamin D3 and 11 mg of zinc, both of which are commonly present in multivitamins - including our own. Long-term high zinc intake can interfere with copper status, and fat-soluble vitamins accumulate. If you are pregnant, nursing, taking prescription medication, or managing a health condition, run the label past your healthcare provider first.

Gelatin capsule, adults only

The capsule shell is gelatin, so this is not suitable if you eat vegetarian or vegan. Intended for adults - keep out of reach of children. Made in the USA. Other ingredients: gelatin capsule and brown rice flour, and nothing else.

See the difference

How FORTIFY compares.

LUVO Others
Nine active ingredients in one bottle instead of four separate bottles with four expiry dates ✓ ×
Vitamin D3 at 40 mcg (1600 IU) per serving, dosed daily rather than as an occasional large bolus ✓ ×
Zinc at 11 mg - the adult male RDA and above the 8 mg female RDA, a maintenance amount rather than a megadose you have to cycle off ✓ ×
Names the Cochrane review that undercuts its own vitamin C, and states that echinacea's evidence is mixed ✓ ×
Free shipping on orders over $75 ✓ ×
90-day money-back guarantee, nothing to return ✓ ×

Learn More

Articles & videos

Article Vitamin D supplementation to prevent acute respiratory tract infections: individual participant data meta-analysis BMJ, 2017 - free full text, 25 trials and 11,321 participants. Research on vitamin D the nutrient, not on this product. Article Elderberry Supplementation Reduces Cold Duration and Symptoms in Air-Travellers: A Randomized, Double-Blind Placebo-Controlled Clinical Trial Nutrients, 2016 - free full text. A small trial (n=312) in overseas air travellers, using an elderberry extract, reporting reduced cold duration. We link it because it is the strongest elderberry paper we know of, and it is still one small trial. The title is the authors' finding about their extract, not a claim about FORTIFY. Article What to know about elderberry benefits Cleveland Clinic - a skeptical read on elderberry supplements, including ours Article How to boost your immune system Harvard Health - why immune-boosting claims tend to outrun the evidence

Good Questions

Everything you might be wondering about FORTIFY.

LUVO already sells three immune products. Which one is this? +

This is the consolidation one. Adaptogen Immunity Drops, SHIELD chaga and the 10-mushroom complex are botanical and adaptogenic approaches. FORTIFY is the boring, foundational half: the vitamins and minerals with recognised roles in normal immune function, plus elderberry and echinacea, in one bottle. If you already own several of those bottles, FORTIFY is not an addition to them - it replaces the vitamin C, D3, zinc and elderberry sitting alongside them.

What about FOUNDATION, your complete multivitamin? +

That is the overlap worth taking seriously, and it is a real one: FORTIFY and FOUNDATION share vitamin C, D3, E, B6 and zinc. Most people should own one or the other, not both. If you want broad daily nutrient coverage, take FOUNDATION. If you specifically want the immune-leaning set at year-round amounts, with elderberry and echinacea included, take FORTIFY. If you are determined to run both, add up the D3 and zinc across the two labels first and talk to your healthcare provider - we would rather lose the second sale than have you stack them without checking.

Is 1600 IU of vitamin D3 a lot? +

It is a real daily amount without being an aggressive one. 40 mcg is 1600 IU, comfortably below the tolerable upper intake level for adults, and it follows the daily-dosing pattern used in the trials that performed best in the large individual-participant meta-analysis - unlike the large monthly bolus doses, which did not. If you already take a separate D3 or a multivitamin containing it, add up the total before stacking.

Only 11 mg of zinc? Other immune products have far more. +

They do, and that is a deliberate difference. 11 mg is the adult male RDA, and above the 8 mg RDA for adult women - an amount designed for taking every day, indefinitely, without worrying about copper status. High-dose zinc products are built for short bursts and are not meant to be a year-round habit. FORTIFY is built for the opposite: an amount you can leave in your routine and forget about.

Will the vitamin C stop me catching a cold? +

No, and we would rather say it plainly. In the Cochrane review's general-community trials - 10,708 participants - regular vitamin C did not reduce cold incidence: a pooled risk ratio of 0.97. (The review in total covers 29 comparisons and 11,306 people.) It modestly shortened episodes in adults, by around 8 percent. Its authors concluded that routine mega-dose prophylaxis is not rationally justified for community use; our 180 mg is not a mega-dose, but the incidence result did not turn on dose either, so we are not claiming the exemption. The 180 mg here covers the nutrient, which has a recognised role in normal immune function. It is not the reason to buy this bottle.

What about the echinacea and elderberry? +

Elderberry is the largest single ingredient by weight at 500 mg, and the human trial evidence for it is limited and mostly small-scale. Cleveland Clinic, linked in our further reading, is openly unconvinced by elderberry supplements, and we have put that link on our own product page rather than hide it. Echinacea purpurea is here at 200 mg, and its trial record is genuinely mixed, with well-run studies landing on both sides. Both are in this formula as traditional-use botanicals, in a bottle whose strongest evidence sits with the vitamin D3 and zinc.

Should I take it all year, or just in winter? +

All year, if you take it at all. The whole case for this format rests on steady intake - nutrient status is built over months. Seasonal buying is exactly the pattern that leaves four half-empty bottles in a cupboard. If a year-round habit is not something you want, that is a fair reason to skip this product rather than a reason to buy it in November. Ninety days, money back, nothing to return, either way.