Sephora customers often prefer the following products when searching for Stress Supplements.

Browse the top-ranked list of Stress Supplements below along with associated reviews and opinions.

ITEM 2238277
exclusive· limited edition· buzzworthy· online only
$20.00

I love Big Chill...I felt less stress...Healthy stress relief...It's a very subtle effect but do feel it helps me to focus and not to get as wound up as fast or as often as I do in some situations
Beauty Benefit: Stress Relief, Energy, and Focus

What it is: A plant-based adaptogen supplement to help manage and decrease stress.

What it tastes like: No flavor

How to use: Take one capsule daily with food

Dosage: One capsule per day

When to expect results: Two to four weeks

What Else You Need to Know: Stress releases hormones that make us unhealthy, breakout, and age. Big Chill is loaded with natural, effective nutrients that are clinically proven to help your body manage stress. Rhodiola, an adaptogen, helps decrease mental fatigue and improve concentration.

Clinical Results: A 2012 study on the effects of rhodiola extract on mental performance under stress and fatigue found the group who received the active ingredients had lower fatigue and performed better than those who received the placebo.

This trial evaluated the impact of a Rhodiola rosea L. extract on self-reported anxiety, stress, cognition, and other mood symptoms. Eighty mildly anxious participants were randomized into 2 different groups of either Rhodiola rosea L (2 × 200 mg dose) or a control condition (no treatment). Self-report measures and cognitive tests were completed at four testing sessions over a period of 14 days. Relative to the controls, the experimental group demonstrated a significant reduction in self-reported, anxiety, stress, anger, confusion, and depression at 14 days and a significant improvements in total mood.

*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.
Size 12 x 1.3 oz/ 36 g sachets (2 of each) · ITEM 2008670
exclusive· limited edition· buzzworthy· online only
$35.00

Wanted to love it...I love this product...Less stress, more focus...I mixed it in with chamomile tea before bed and usually chamomile will make me super relaxed but not enough to make me pass out right away
What it is:
A Complete Moon Dust® Collection—six adaptogenic blends of superherbs and supermushrooms that help build your body's resilience to stress, reducing its harmful effect.

If you want to know more…
Beauty Dust® helps support natural collagen for radiant skin.*

Brain Dust® helps sharpen focus and supports memory.*

Sex Dust® helps support creative energy and boost libido.*

Power Dust® helps boost energy and reduce fatigue.*

Spirit Dust® calms the mind and enhances mood.*

Dream Dust® promotes deep and restful sleep.*

This set contains:
- 2 x 1.3 oz/ 36 g sachets of Beauty Dust, Brain Dust, Sex Dust, Power Dust, Spirit Dust, Dream Dust

What else you need to know:
Adaptogens are plants, mushrooms, and minerals that have traditionally been used to help the body manage stress, whether the source is mental, physical, or emotional. Adaptogens work to restore balance in the adrenal, endocrine, nervous, and immune systems, reducing the impacts of stress (aging, exhaustion, anxiety) on body, beauty, and consciousness from the inside out.

Moon Dust does not fully dissolve. Use a blender, aerolatte, or shaker to thoroughly incorporate, then let the Dust settle.

These products are organic, cruelty-free, gluten free.
ITEM 2356756
exclusive· limited edition· buzzworthy· online only
$40.00

This is so great...Good for the gut...This has helped my stress acne so much....I didn't change my admittedly terrible diet, but I did switch my skin care up and I think in conjunction with Skin Heroes, it's made all the difference in the world for me
Beauty Benefit: Acne/Clearer Skin, Hydration, and Gut Support

What it is: A specialized pre+probiotic blend that balances the gut, reduces non-cystic acne, and improves dry skin (previously named Skin Heroes).

What it tastes like: No flavor

How to use: Take two capsules per day, with or without food

When to expect results: Four weeks

Highlighted Ingredients: - Prebiotic Konjac Root: Helps feed the good bacteria in your gut to improve balance.
- Nine Strains, 40 Billion Organisms (at time of manufacture): Help support the immune system, protect the skin-gut axis, and improve skin barrier function.
- Soil-based and Live Strain Probiotics

What Else You Need to Know: Contains nine ultra-targeted strains of good bacteria that impact the gut-skin axis to reduce acne and dryness. Konjac root, a prebiotic, ensure these strains grow and flourish in the gut. While not necessary, HUM Nutrition recommends refrigerating after opening to maintain maximum potency.

Clinical Results: Based on a dermatologist-supervised study of women with non-cystic acne taking Skin Heroes for 60 days:
- 88% reported a decrease in breakouts
- 81% reported an improvement in digestion

*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.
ITEM 1614833
exclusive· limited edition· buzzworthy· online only
$25.00

great pick me up...I love this stuff...This was the only change; my diet was the same, routine was the same; I wasn't experiencing any increased stress....Taking one of these Uber Energy supplements gives me a boost to power through
Beauty Benefit: Energy and focus, Stress relief

What it is: A vegetarian supplement with adaptogens to support consistent energy through adrenal support.*

What it tastes like: No flavor

How to use: Take two capsules daily with food.

Dosage: Two capsules per day

When to expect results: Two to four weeks

What Else You Need to Know: Uber Energy powers you through your busy days. Its collection of eight balancing adaptogenic herbs—including ashwagandha and rhodiola—helps boost energy levels from morning to night. Herbs and vitamins support your adrenal function, helping to deal with stress and anxiety.

*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.
Size 1.5 oz/ 42.5 g · ITEM 2008738
exclusive· limited edition· buzzworthy· online only
$38.00

I Love Moon Juice...I am soo impressed...I recently took on a higher stress level job and with this stuff in my day I handle it like a boss!...I felt super compelled to write a review when I had coworkers come up to me to tell me how great my mood was
What it is:An adaptogenic blend of uplifting superherbs and super mushrooms that helps combat the effects of stress to expand peaceful awareness and align you with bliss.*

If you want to know more…
This formula contains ingredients that help promote a positive, relaxed state of mind*, increase resistance to stress, tension, and irritability*, and enhance feelings of emotional wellbeing* with a sweet, nutty flavor. Moon Dusts are fresh and potent with intensely herbal flavors. You will feel the effects and your palate will evolve. Intensity has its benefits.

*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.

What else you need to know:
Adaptogens are plants, mushrooms, and minerals that have traditionally been used to help the body manage stress, whether the source is mental, physical, or emotional. Adaptogens work to restore balance in the adrenal, endocrine, nervous, and immune systems, reducing the impacts of stress (aging, exhaustion, anxiety) on body, beauty, and consciousness from the inside out.

Moon Dust does not fully dissolve. Use a blender, aerolatte, or shaker to thoroughly incorporate, then let the Dust settle.

This formula is organic, cruelty-free, gluten free, and vegan.

Clean at Sephora
Clean at Sephora is formulated without a list of over 50 ingredients, including sulfates (SLS and SLES), parabens, phthalates, and more. For the full list, check out the Ingredients tab.
ITEM 1614759
exclusive· limited edition· buzzworthy· online only
$25.00

I really like it...So Far Sooo Good...I tweaked my diet and water intake and am being more conscious about my stress levels....I've been taking these everyday since I received them, and although it has not been enough time to see real results (the bottle says it can take up to 6 weeks), I'ven't noticed any negative side effects
Beauty Benefit: Acne

What it is: A powerful formula of 14 ingredients including chlorella and spirulina to target acne from the inside out.
What it tastes like: No flavor

How to use: Take two capsules daily with or without food.

Dosage: Take two capsules daily with or without food at any time of day

When to expect results: Four to six weeks

What Else You Need to Know: After years of adult acne, HUM Nutrition co-founder Walter Faulstroh worked with a nutritionist to tackle the problem from within. The vitamins, minerals, and herbs discovered along the way inspired the formula for Daily Cleanse and set the gold standard for HUM Nutrition’s careful sourcing of nutrients for every formula.

Clinical Results:
Based on 600 survey responses sent to HUM Nutrition customers who purchased Daily Cleanse for at least 3 months:
- 80% of people who used Daily Cleanse for 6 to 8 weeks reported improved skin
- 82% experienced fewer breakouts

*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.
Size 1.5 oz/ 42.5 g · ITEM 2008720
exclusive· limited edition· buzzworthy· online only
$38.00

It's way worth it...It's worth a shot...If stress is effecting your hormones it might work....I absolutely love Sex Dust - it gives me energy, makes me alive and just buzzy without feeling like a crazy person
What it is: An adaptogenic blend of lusty superherbs and Shatavari that helps combat the effects of stress to ignite your creative energy, in and out of the bedroom.*

If you want to know more…
This formula contains ingredients that help support the body during stress*, provide energy, vitality, and wellbeing*, and boost libido* with a smoky, chocolaty flavor. Moon Dusts are fresh and potent with intensely herbal flavors. You will feel the effects and your palate will evolve. Intensity has its benefits.

*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.

What else you need to know:
Adaptogens are plants, mushrooms, and minerals that have traditionally been used to help the body manage stress, whether the source is mental, physical, or emotional. Adaptogens work to restore balance in the adrenal, endocrine, nervous, and immune systems, reducing the impacts of stress (aging, exhaustion, anxiety) on body, beauty, and consciousness from the inside out.

Moon Dust does not fully dissolve. Use a blender, aerolatte, or shaker to thoroughly incorporate, then let the Dust settle.

This product is cruelty-free, gluten free, and vegan

Clean at Sephora
Clean at Sephora is formulated without a list of over 50 ingredients, including sulfates (SLS and SLES), parabens, phthalates, and more. For the full list, check out the Ingredients tab.
ITEM 2162436
exclusive· limited edition· buzzworthy· online only
$78.00

This is soo good...My body loved it...These fizzy fresh green dissolving tablets helped me get more vegetables and superfood in my body easily while reminding me to drink more water than anything else recently...let me say this drink is tasty, it's going to be very easy for me to drink this especially because you can pop the case in your purse or car and add it to a water bottle
Beauty Benefit: Hydrated and Healthy Skin, Natural Energy, and Immune Support

What it is: A delicious, vegan tablet with eight greens, antioxidants, and only 15 calories to visibly support healthy aging, better circulation, and glowing skin.

What it tastes like: Light, Fizzy, and Refreshing Lemon Lime

How to use: Drop one tablet in eight ounces of water or liquid of your choice to dissolve, then drink.

Dosage: One tablet daily

When to expect results: Three weeks

What Else You Need to Know: Each tablet contains eight essential, powerful greens: spinach, wheatgrass, kale, blue-green algae, spirulina, chlorella, barley grass, and aloe vera. These nutrient-dense ingredients are packed in a convenient tablet to provide you with a visibly skin-brightening, hydrating green juice anytime, anywhere.

*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.
ITEM 2254449
exclusive· limited edition· buzzworthy· online only
$38.00

Well - good news...B. Well Worth it...Loving this so far, I've been using it for a little over 2 weeks so no dramatic changes just yet but I really like that they don't make me feel sick like other supplements and cannot wait to see my results...That is however, entirely worth it because after losing a bunch of weight my hair starting falling out and this the only biotin supplement that hasn't made me break out
What it is: A vegan hair supplement that harnesses a unique blend of potent omega 3, 6, and 9 fatty acids, biotin, and essential vitamins to support healthy hair.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Dryness
- Thinning
- Damage, Split Ends, and Breakage

Key Benefits:
- Helps support healthy hair growth
- Helps strengthen hair
- Clean and naturally derived, 6-Free™ formulated

Formulation: Softgel

Highlighted Ingredients:
- Omegas 3, 6, 9: Fight irritation and promote hair, scalp, and skin health.
- Biotin: Promotes hair growth and aids in overall health by strengthening each strand‘s follicle and shaft.

Ingredient Callouts: This product is vegan, cruelty-free, and gluten-free.

What Else You Need to Know: This daily supplement combines a unique vegan omega 3, 6, and 9 fatty-acid complex, biotin, and essential vitamins and minerals to support a healthy hair-growth cycle. This carefully crafted, unique blend of vitamins is nutritionist approved for optimal hair health.

*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.

Clean at Sephora
Clean at Sephora is formulated without a list of over 50 ingredients, including sulfates (SLS and SLES), parabens, phthalates, and more. For the full list, check out the Ingredients tab.
Size 6.7 oz/ 200 mL · ITEM 2260198
exclusive· limited edition· buzzworthy· online only
$45.00

I really like this...I loved this stuff...I do love that I can incorporate this liquid into my morning ACV drink and not only does it sweeten it up it saves me a step in the morning...I worked as a Nurse, 12hrs shift, graveyard shift, so I need a vitamins that will enhance my energy and make sure I would have good resistance to illness, the product really works good for me
Beauty Benefit: Energy and Focus, and Skin, Hair, and Nails

What it is: A liquid multi-vitamin with a high absorption rate that improves hair, skin, and nails with vitamin C, vitamin E, and biotin.

What it tastes like: Natural Berry Flavor

How to use: One teaspoon a day, with or without food.

Dosage: One Teaspoon per Day.

When to expect results: One Month

What Else You Need to Know: DLMD contains 13 essential vitamins, five minerals, and one bio flavonoid complex—ll that your body needs. This special formula has extremely high absorption rates (98% compared to 20% for pills and gummies) and is fast acting. It was developed by a medical doctor.

*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.
ITEM 1817287
exclusive· limited edition· buzzworthy· online only
$10.00

I am so impressed...I really love this...Granted this stuff did not make me feel like I hit a sleep wall, I was more gradual descent into sleepiness than I get with normal Melatonin tablets, but it did not keep me asleep any better thought the night, and I still woke up feeling really groggy - which they listed would not happen with this product...I took this supplement between 8:30-9:00PM each night and felt it hit within 30 minutes and it was just enough to help me not wake up in the middle of the night and not feel insanely groggy the next day
What it is: A melatonin and vitamin B6 supplement to help promote a restful beauty sleep.

What it tastes like: No flavor

How to use: Take one tablet 20 minutes before bedtime without food

Dosage: One tablet per day

When to expect results: Immediately

What Else You Need to Know: Beauty zzZz’s combination of melatonin and vitamin B6 helps adjust your internal body clock before hitting the sheets, so you can wake up refreshed and renewed. By boosting your body’s natural hormones, this powerful formula supports sound sleep without late-night disruptions.

Clinical Results: Studies suggest that sleep disorders affect 50 to 70 million Americans, representing approximately 20 percent of the population. Melatonin has been found to decrease sleep onset latency (SOL) in normal sleepers and increase sleep efficiency in normal sleepers.

Travelers traveling eastward through five or more time zones may find 2 to 3 mg of melatonin, either slow-release or fast-release, to be useful when taken at local bedtime on the day of arrival and for 2 to 5 nights thereafter.

*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.
ITEM 2247690
exclusive· limited edition· buzzworthy· online only
$40.00

Loving it so far...I love this stuff...My favorite thing about this supplement is that the rest I get is very deep and even if I wake up in the middle of the night, I'd be able to go back to sleep easily...It's too early for me to attest to the skin cell turnover portion but regardless, I'm excited to continue taking these supplements to see what great benefits it'll show on my skin and body
Beauty Benefit: Skin Cell Turnover, Skin Hydration and Texture, and Promotes Optimal Sleep

What it is: An overnight skin cell renewal supplement with ceramides, CoQ10, ferulic acid, valerian root, and passion flower that works while you sleep.

How to use: Take two soft gels at bedtime, with or without food

Dosage: Two soft gels

When to expect results: Four to six weeks

What Else You Need to Know: Your skin repairs and renews while you sleep. Mighty Night boosts overnight renewal by supporting skin and body cell turnover, scavenging free radicals, promoting optimal sleep, and improving signs of aging—resulting in a fresh complexion. A hint of peppermint oil complements your bedtime routine.

Clinical Results: In a placebo-controlled clinical study on 60 volunteers presenting dry and wrinkled skin, results showed:
- Significant reduction in the look of wrinkles, microrelief lines, and improved skin smoothness
- Reduced some visible signs of aging
- Valerian root, passion flower, and hops showed significant improvements in total sleep time, sleep latency, number of nightly awakenings, and insomnia severity index scores

*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.
ITEM 1802172
exclusive· limited edition· buzzworthy· online only
$28.00

I love this stuff...Thank you so much...Maybe that's just me thinking so but my friends for sure have been complementing my hair recently which is new for me and a huge confidence boost...I've been using these for five months now, my hair has been so much healthier, I think the combo of all the vitamins in each supplement has really helped me stay hydrated too
Which hair type is it good for?
✔ Straight
✔ Wavy
✔ Curly
✔ Coiled
✔ Tightly Coiled

What it is:
A beauty-boosting dose of biotin, silica, ashwagandha, and amino acids that work to support healthy hair growth.

Key benefits:
- Replenishes hydration
- Promotes healthy, shiny hair
- Prevents breakage

If you want to know more…
If you’re starting to experience a loss of volume or shine with age, Hair Supplement for Thinning Hair will help strengthen and prevent breakage. MSM and biotin support healthy hair growth, ashwagandha naturally helps to reduce the stress hormone cortisol in the body, and amino acids support natural keratin production. The result? Longer, stronger strands—quick.

What it is formulated WITHOUT:
- Parabens
- Sulfates
- Phthalates
ITEM 1698844
exclusive· limited edition· buzzworthy· online only
$25.00

I love this stuff...Love this so much...What really won me over was not just the fact that it helped with bloating and breaking down food, but that it gave me consistent bowel movements...The results with Flatter Me seem to be best when the enzymes are taken in the middle of a meal, but when I eat out, this doesn't do me much good unless I remember to throw them in my purse
Beauty Benefit: Gut Support

What it is: A proprietary blend of 18 enzymes to support a flatter stomach and healthy digestion.

What it tastes like: No flavor

How to use: Take one Flatter Me capsule before your two main meals

Dosage: Two capsules per day

When to expect results: Day one

What Else You Need to Know: Designed around your diet, this comprehensive proprietary enzyme blend supports all major phases of nutrient digestion. Flatter Me is formulated to optimize protein, carb, fiber and fat breakdown, and to help with nutrient absorption, and relief from indigestion and bloating.

Clinical Results: Hum Nutrition's research has identified the strong correlation between weight and indigestion. The formulation for Flatter Me is based on findings regarding food and drink choices, as well as key wellness habits including smoking, alcohol consumption, exercise, and the use of nutritional supplements. Of the 6226 women surveyed:
- 64% reported unbalanced digestion
- 79% expressed the desire to lose weight
- 72% already take dietary supplements.

*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.
ITEM 1614809
exclusive· limited edition· buzzworthy· online only
$25.00

I love this stuff...I'm so glad I did...There's only one development that hasn't been entirely positive, but which doesn't bother me enough to stop taking the supplements...I would wake up with perfect, glowy, even-toned skin, and all my big pores just looked blurred, even up close in a mirror
Beauty Benefit: Hydration

What it is: A vegan supplement with antioxidants and vitamin E to support glowing skin and shiny hair.*

What it tastes like: No flavor

How to use: Take two softgels any time of day

Dosage: Two softgels daily

When to expect results: Four to six weeks.

What Else You Need to Know: Red Carpet’s antioxidant-rich formula nourishes your skin and hair follicles with moisture. It helps to boost shine and health in your hair while minimizing the appearance of pores and wrinkles and enhancing your natural glow. It is for anyone looking to boost hydration and glow from head to toe.*

*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.
ITEM 1614858
exclusive· limited edition· buzzworthy· online only
$35.00

Beauty in a pill...I love this stuff...I noticed the complexion of the person helping me and asked about how he got it so perfect, he told me he had started taking these vitamins...It's a big no-no, but they have since recovered and have regained their strength with TLC and these supplements
Beauty Benefit: Hair, skin, and nails, Hydration

What it is: A 30-day kit of Red Carpet and Killer Nails to help strengthen hair and nails, and support glowing skin.*

What it tastes like: No flavor

How to use: Take two softgels and one capsule (one packet) daily with food.

Dosage: Two softgels and one capsule per day

When to expect results: Four to six weeks

What Else You Need to Know: Runway Ready combines Red Carpet and Killer Nails for glowing skin and strong nails. The perfect balance of nutrients supports the look and feel of your skin, hair, and nails with ample strength and hydration. It’s for anyone looking for a runway-ready transformation on any occasion.*

*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.
ITEM 1159961
exclusive· limited edition· buzzworthy· online only
$95.00

WELL WORTH THE MONEY...Can't Live without it...In addition to the benefits for my skin, the supplements also give me an exrtra pep in my step and mood...I've had troubled skin for many years, with breakouts on a regular basis but these supplements have tremendously helped
What it is:
Vitamin supplements that work from the inside out to support clear skin.

What it is formulated to do:
The Perricone MD Skin Clear Nutritional Support System program is one of the most advanced and comprehensive dietary supplements available to help improve the appearance of problem skin. It's specifically formulated to improve skin's clarity while providing toning benefits and improving skin's texture. This program also helps to support a healthy immune system and provide antioxidant protection.

What else you need to know:
Each box contains 30 packets of once-daily supplements; daily packet contains:
- B Complex + Vitamin C
- Evening Primrose Oil (EPO)
- Ascorbyl Palmitate
- Omega-3
- Ala+DMAE+Chromium+Zinc
- Tocospan Vitamin
- Calcium+Magnesium+Vitamin D supplement
ITEM 1614783
exclusive· limited edition· buzzworthy· online only
$25.00

Wow, do these work...AMAZING FOR MY PMDD...I've really liked these supplements - When I take one daily, and double up when I'm menstruating, I don't have PMS, cramps, or back pain...They helped extend my period by a few days which is great when you're 41 and stress has taken over
Beauty Benefit: Alleviates PMS symptoms

What it is: A plant-based dietary supplement to help alleviate PMS symptoms.*

What it tastes like: No flavor

How to use: Take one capsule twice daily with food

Dosage: Two capsules per day

When to expect results: Four to six weeks

What Else You Need to Know: Keep your unwanted PMS symptoms at bay with Moody Bird. This unique formula works to relieve discomfort associated with PMS like cramping and muscle soreness. Plus, it also promotes clear skin through regulating hormonal breakouts. Look forward to clear, moody-free months ahead.*

*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.
ITEM 1614791
exclusive· limited edition· buzzworthy· online only
$30.00

They are worth it...best Omega for me...Using these supplements in one week really helped soothe and clear up most of my eczema...In combination with Flatter Me (also by HUM), I've found my official detox/reset combo
Beauty Benefit: Hydration

What it is: An omega dietary supplement rich in vitamin E to support healthy skin and heart.*

What it tastes like: No flavor

How to use: Take two softgels daily with food.

Dosage: Two softgels per day

When to expect results: Four to six weeks

What Else You Need to Know: OMG! Omega The Great hydrates your skin by supporting retention of your natural moisture without the fishy aftertaste. It features the best sustainably-sourced omega-3 oils from small fish, which surpass the strictest standards in purity. It is also shown to support bright, even skin tone.*

Clinical Results: In an 8-week clinical study of acne patients taking fish oil:
- 67% reduction in inflammatory lesions was observed*

In a 12-week double blind trial of eczema sufferers those using 1.8 g of EPA experienced significant improvement*

*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.