How to manage daily stress: adapted methods, diet, and micronutrition

Tight deadlines, mental load, and constant demands: daily stress has become the backdrop for a large portion of the population. Occasionally, it mobilizes energy. When it sets in, it takes a toll on sleep, mood, and concentration. It also ends up showing, both on the skin and the hair.

Knowing how to manage stress is therefore not just a matter of comfort: it is a challenge of overall balance. The most relevant approaches combine three levels of action: immediate physical techniques, a consistent lifestyle, and nutritional support adapted to the body's increased needs during periods of tension. It is on this last point that well-formulated stress food supplements, combining magnesium, B vitamins, and plant extracts, can supplement a varied diet.

This guide details how to manage stress in the short term, what happens in the body when it takes hold, and which nutrients support nervous balance.

When tension rises, the first reflex is to act on the body. Respiration, movement, and focus act directly on the autonomic nervous system, which controls heart rate acceleration, muscle tension, or shortness of breath. These are also the anti-stress methods with the best-documented benefits.

Cardiac coherence is based on slow, regular breathing at about six cycles per minute: five seconds of inhalation, five seconds of exhalation. This rhythm synchronizes breathing and heart rate. It also engages the parasympathetic branch of the nervous system, associated with returning to a calm state.

The 3-6-5 protocol is simple to remember: three times a day, six breaths per minute, for five minutes. A review published in Frontiers in Psychology (Lehrer and Gevirtz, 2014) describes how this type of breathing increases heart rate variability, a physiological marker of the ability to adapt to stress.

This is often the first answer to the question of how to manage stress without equipment or training. Above all, consistency takes precedence over intensity: it is the daily repetition that establishes the effect, much more than an isolated session.

Many wonder how to stop stress and anxiety at the very moment they arise: before speaking in public, facing an unexpected event, or in the middle of an overloaded day. In these moments, the goal is not to eliminate the emotion. It is to calm down enough to regain your composure.

Several actions contribute to this:

• Lengthen the exhalation. Exhaling twice as long as you inhale quickly slows the heart rate.
• Practice sensory grounding. Mentally naming what you see, hear, and touch brings focus back to the present and interrupts the spiral of thoughts.
• Voluntarily relax the shoulders and jaw. These are the areas where tension lodges first; relaxing them sends a signal of relaxation to the brain.

In other words, these tools do not act on the causes of stress, but they allow you to regain control over the reaction.

Exercise is one of the most effective ways to reduce stress over time. It consumes the energy mobilized by stress hormones and then promotes a return to physiological calm. It is also accompanied by a release of endorphins and improves sleep quality, which creates a virtuous circle.

The World Health Organization recommends 150 to 300 minutes of moderate-intensity activity per week for adults. Brisk walking, cycling, swimming, and muscle training are all suitable. The main thing is to choose a practice that fits your schedule: three modest and maintained sessions are better than an ambitious program abandoned after two weeks.

Among the anti-stress methods, mindfulness meditation trains your attention to return to the present moment without judgment. A meta-analysis published in JAMA Internal Medicine (Goyal et al., 2014) covered 47 trials and more than 3,500 participants. It observed a moderate improvement in indicators of psychological distress after programs of approximately eight weeks.

Yoga combines postures, breathing, and concentration: it acts on both muscle tension and mental load.

To start, ten minutes a day is enough, using a guided app or a group class. Consistency counts more than the length of the sessions.

Understanding the mechanics of stress helps in choosing your tools better. Not all stress is the same: it is its duration, more than its intensity, that makes the difference for the body.

The causes of stress are rarely singular. Work-related stress often comes first: overload, pressure for results, lack of recognition, blurred boundaries between private and work life. Added to this are domestic mental load, financial difficulties, and life changes (moving, separation, birth). Emotional stress linked to relationship tensions often completes the picture.

Individual background also plays a role. Lack of sleep, sedentary lifestyle, and unbalanced diet lower the tolerance threshold. To know how to manage stress, identifying your own triggers is a key step in stress management: it allows you to act on the source, not just the reaction.

Faced with a situation perceived as demanding, the brain activates the sympathetic nervous system within seconds. The adrenal glands release adrenaline: the heart beats faster, breathing intensifies, muscles receive more blood, and attention sharpens.

Secondly, the hypothalamic-pituitary-adrenal axis triggers the secretion of cortisol, which mobilizes energy reserves. This response is useful: it allows you to cope. Once the situation has passed, a feedback loop brings cortisol back to its baseline level, and the body regains its balance.

We speak of chronic stress when demands follow one another without a recovery phase. The mechanism for returning to calm then dulls: cortisol remains high, or its natural rhythm is disrupted. Normally, it is highest in the morning and low in the evening.

The consequences are diffuse: less restorative sleep, persistent fatigue, sugar cravings, decreased alertness. The body also draws more on its micronutrient reserves. Magnesium, in particular, is excreted in greater quantities in the urine during periods of stress.

Certain signals deserve attention when they last for several weeks:

• Physically: fatigue upon waking, difficulty falling asleep or nocturnal awakenings, muscle tension, frequent headaches, disrupted digestion.
• Psychologically: irritability, hypersensitivity, feelings of anxiety, difficulty concentrating, loss of interest in things that used to bring pleasure.

In isolation, these signs are mundane. Their accumulation and persistence, however, signal chronic stress: the body is no longer recovering sufficiently.

Stress does not remain confined to the mental sphere. The skin and hair follicles have their own receptors for stress hormones: what we experience internally often ends up being visible on the outside.

This continuity between internal balance and visible health forms the basis of the nutricosmetic approach developed by Biocyte. Learning how to manage stress also means preserving the radiance of your skin and the vitality of your hair.

A study conducted on students during exam periods (Garg et al., Archives of Dermatology, 2001) measured the recovery of the skin barrier after standardized mechanical damage. This recovery was slower when perceived stress was high. A less effective barrier allows more water to evaporate: the skin appears drier, duller, and more sensitive to external aggressions.

Cortisol also stimulates the activity of the sebaceous glands, which can promote the appearance of blemishes in combination to oily skin. For these profiles, a food supplement for blemish-prone skin formulated with zinc can supplement your cosmetic routine: zinc contributes to the maintenance of normal skin. Sensitive skin becomes more reactive: redness, tightness, and discomfort. Regardless of skin type, a lack of sleep associated with stress results in a less luminous complexion and marked features.

An episode of intense stress can cause diffuse hair loss two to three months later. This stress-related hair loss has a name: telogen effluvium. Stress prematurely shifts many follicles from the growth phase to the resting phase. These hairs fall out together a few weeks later.

Research published in Nature (Choi et al., 2021) clarified this mechanism in mice. A stress hormone equivalent to cortisol keeps follicle stem cells in a prolonged state of rest. This reactive loss is generally reversible once the period of stress has passed, especially if the nutritional intake necessary for the hair cycle is met.

Cortisol normally follows a circadian rhythm: it drops in the evening to allow melatonin to prepare the body for sleep. During periods of stress, this relay works less effectively: falling asleep is delayed and nighttime awakenings multiply.

However, lack of sleep in turn increases emotional reactivity and cortisol secretion the following day. The circle closes. Sleep must therefore be considered a pillar of stress management, just like relaxation techniques. Practically: regular hours, dimmed lights in the evening, and screens put away one hour before bedtime. When these adjustments are not enough to restore quality nights, food supplements dedicated to sleep, based on melatonin or plants traditionally used in the evening, can help you fall asleep.

Understanding how to manage stress also involves your plate. Diet provides the nervous system with the building blocks it needs to function. Yet, during times of tension, requirements increase while food choices often deteriorate.

As the leading French nutricosmetic laboratory, Biocyte bases its formulations on this principle: acting from the inside on the mechanisms that determine balance and its visible expressions, with active ingredients dosed in accordance with available scientific data.

Magnesium participates in over 300 enzymatic reactions, from energy production to muscle contraction: to understand in detail what magnesium is used for in the body, its roles go far beyond stress management. According to claims authorized by the EFSA, it contributes to:

• normal psychological functions;
• normal functioning of the nervous system;
• the reduction of fatigue.

Dietary intake often remains below nutritional references, especially since daily stress increases its excretion.

A randomized trial published in PLoS One (Pouteau et al., 2018) followed 264 adults with high stress and low blood magnesium levels for eight weeks. The stress score decreased in both groups—magnesium alone and magnesium combined with vitamin B6. In people with the most marked stress, the combination showed a superior benefit.

Magnesium is found in oilseeds, cocoa, legumes, whole grains, and certain mineral waters. In terms of supplementation, organic (bisglycinate, citrate) and liposomal forms offer better digestive tolerance.

B vitamins work as a team:

• vitamins B1, B3, B6, B8, B9, and B12 contribute to normal psychological functions;
• vitamins B2, B3, B5, B6, B9, and B12 contribute to reducing fatigue.

Vitamin B6 is notably involved in the synthesis of neurotransmitters such as serotonin and GABA.

They are present in whole grains, legumes, eggs, animal products, and green vegetables. Since vitamin B12 is almost exclusively of animal origin, vegan diets require special attention: a vitamin B supplement, ideally a complex combining the different vitamins of the group, can then help supplement intake.

These three plants are often described as adaptogens. Their claims are currently under evaluation at the European level and are not authorized to date.

Ashwagandha (Withania somnifera), traditionally used in India, is the best documented of the three. In a randomized, double-blind, placebo-controlled trial (Chandrasekhar et al., 2012), 64 adults received 600 mg of root extract per day for 60 days. Their blood cortisol decreased by nearly 28% compared to the placebo group. Several European health agencies, however, advise caution for certain profiles, particularly in cases of thyroid or liver issues.

Saffron was the subject of a controlled trial in 128 healthy adults (Kell et al., 2017). With 28 mg of extract per day for four weeks, self-assessed mood improved compared to the placebo.

Rhodiola, a plant from the cold regions of Europe and Asia, is traditionally used during periods of intense fatigue. Clinical data remains more limited, often derived from studies without a placebo group.

In case of pregnancy or breastfeeding, it is important to seek advice from a healthcare professional before any supplementation. Anyone under medical supervision should also seek the advice of their doctor or pharmacist.

Food supplements designed for stressful periods often combine magnesium, B vitamins, and plant extracts. They do not replace a varied diet or a balanced lifestyle. However, they can supplement intake when needs increase.

Caffeine stimulates the secretion of adrenaline and cortisol. Consumed in excess or late in the day, it accentuates nervousness and delays falling asleep. The EFSA considers that an intake of up to 400 mg per day, or about four espressos, does not pose a safety concern for healthy adults.

Alcohol provides an impression of immediate relaxation. However, it fragments sleep in the second half of the night and accentuates fatigue the next day.

Fast sugars cause spikes and then drops in energy that promote irritability and cravings. It is better to prioritize complete meals, rich in fiber, proteins, and healthy fats: fatty fish, nuts, chia seeds, green vegetables.

For those looking for how to manage stress without disrupting their daily life, limiting these three levers is the simplest adjustment to implement.

Professional stress is one of the primary sources of reported tension. Knowing how to manage stress at work involves acting on both organization and recovery.

Professional burnout does not happen overnight. The first signals are often subtle:

• fatigue that no longer fades over the weekend;
• difficulty concentrating;
• unusual procrastination;
• increasing distance from one's work;
• the feeling of never doing enough.

Spotting these signs early allows you to adjust your pace before reaching deeper burnout, which then requires professional support.

Sustained attention declines over the hours without interruption. Short and regular breaks, ideally away from the screen, preserve concentration capabilities throughout the day. A ten-minute walk or a cardiac coherence session after lunch are particularly effective.

Beyond the workday, recovery involves true disconnection: turning off notifications in the evening, a clear boundary between professional and personal time, and hobbies without performance pressure. These rituals are at the heart of sustainable stress management.

Techniques and lifestyle habits have their limits. Knowing how to manage stress also means recognizing the moment when external support becomes necessary.

Knowing how to manage stress does not mean carrying everything alone. Putting into words what you are going through already lightens the mental load. A loved one can offer a different perspective, help put things into perspective, or simply listen. Isolation, conversely, often amplifies emotional stress.

A general practitioner is the primary point of contact when stress is accompanied by persistent physical signs, long-term sleep disruption, or marked exhaustion. They can refer you to a specialist if necessary.

A psychologist helps identify the underlying mechanisms and offers structured approaches, such as cognitive behavioral therapy.

Finally, a pharmacist is accessible without an appointment. They can provide advice on lifestyle, micronutrition, and the compatibility of dietary supplements with ongoing medical treatment.

In case of significant distress or dark thoughts, the 3114 helpline is available for free, 24 hours a day.

• Lehrer PM, Gevirtz R. Heart rate variability biofeedback: how and why does it work? Frontiers in Psychology, 2014;5:756.
• Goyal M et al. Meditation programs for psychological stress and well-being: a systematic review and meta-analysis. JAMA Internal Medicine, 2014;174(3):357-368.Garg A et al. Psychological stress perturbs epidermal permeability barrier homeostasis. Archives of Dermatology, 2001;137(1):53-59.
• Choi S et al. Corticosterone inhibits GAS6 to govern hair follicle stem-cell quiescence. Nature, 2021;592:428-432.
• Pouteau E et al. Superiority of magnesium and vitamin B6 over magnesium alone on severe stress in healthy adults with low magnesemia: a randomized, single-blind clinical trial. PLoS One, 2018;13(12):e0208454.
• Chandrasekhar K et al. A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of Ashwagandha root in reducing stress and anxiety in adults. Indian Journal of Psychological Medicine, 2012;34(3):255-262.
• Kell G et al. affron®, a novel saffron extract (Crocus sativus L.) improves mood in healthy adults over 4 weeks in a double-blind, parallel, randomized, placebo-controlled clinical trial. Complementary Therapies in Medicine, 2017;33:58-64.
• EFSA Panel on Dietetic Products, Nutrition and Allergies. Scientific Opinion on the safety of caffeine. EFSA Journal, 2015;13(5):4102.
• Regulation (EU) No 432/2012 establishing a list of permitted health claims made on foods.
• World Health Organization. Guidelines on physical activity and sedentary behavior, 2020.